F-Secure Mobile Security
F-Secure Corporation · Build 10.58-c956ec4
Static checks identify review items, not a guarantee of safety.
Overview
8 finding categories to review
F-Secure Mobile Security (com.lookout) scored grade B, 82 out of 100, in a static scan of version 10.58-c956ec4 on 2026-09-29. It has no high or critical findings, and 8 lower-severity finding categories across 11 occurrences. 7 tracking SDKs are present in the package, which describes what ships, not what runs or what it sends. This is static analysis of a single build: it does not observe the app running and does not establish that any data is exposed.
Start with these findings
mediumcom.squareup.okhttp3:okhttp 4.9.0 — CVE-2021-03411 occurrence
Interpretation & review guidance
The app bundles a third-party library whose declared version matches a public security advisory (CVE). This is flagged from the version the library itself ships and a curated advisory list — confirm exploitability in your context and update the dependency to the fixed version. It is not a proof of live exploitation.
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
mediumShort signing key (RSA 1024-bit)1 occurrence
Interpretation & review guidance
The signing key is shorter than the modern 2048-bit RSA minimum. Short keys are cryptographically weaker; a release should re-key to at least RSA-2048 (or an EC key).
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
lowAmazon S3 bucket reference2 occurrences
Interpretation & review guidance
A reference to an Amazon S3 bucket. Using cloud storage is normal — the risk exists only if the bucket allows anonymous listing/read, which requires a separate authorized assessment.
- Evidence
- 2 recorded occurrences in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Build & components
64 components recorded. Certificate parsing does not validate APK signature integrity.
Inspect build evidence →Findings
8 categories · 11 occurrences. Severity totals describe categories. Expand a finding for interpretation and review guidance.
mediumcom.squareup.okhttp3:okhttp 4.9.0 — CVE-2021-03411 occurrence
Interpretation & review guidance
The app bundles a third-party library whose declared version matches a public security advisory (CVE). This is flagged from the version the library itself ships and a curated advisory list — confirm exploitability in your context and update the dependency to the fixed version. It is not a proof of live exploitation.
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Evidence preview
- Evidence type
- Component advisory match
- Representative location
sbom:com.squareup.okhttp3:okhttp:CVE-2021-0341- Recorded match
CVE-2021-0341 (fixed in 4.9.2)- Detector rule
sbom- Recorded file locations
sbom:com.squareup.okhttp3:okhttp:CVE-2021-0341
1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.
Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.
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mediumShort signing key (RSA 1024-bit)1 occurrence
Interpretation & review guidance
The signing key is shorter than the modern 2048-bit RSA minimum. Short keys are cryptographically weaker; a release should re-key to at least RSA-2048 (or an EC key).
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Evidence preview
- Evidence type
- Signing metadata
- Representative location
META-INF/signing:key- Recorded match
RSA-1024- Detector rule
signing- Recorded file locations
META-INF/signing:key
1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.
Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.
Preview evidence and Pro toolsSearch recorded evidence and save private review notes with Pro. $99/month plus applicable tax.
lowAmazon S3 bucket reference2 occurrences
Interpretation & review guidance
A reference to an Amazon S3 bucket. Using cloud storage is normal — the risk exists only if the bucket allows anonymous listing/read, which requires a separate authorized assessment.
- Evidence
- 2 recorded occurrences in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Evidence preview
- Evidence type
- Static string match
- Representative location
classes2.dex- Recorded match
Pattern recorded; identifying value redacted.- Detector rule
s3_bucket_url- Recorded file locations
classes2.dex
2 recorded findings have inspectable metadata. Duplicate matches may share a representative location.
Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.
Preview evidence and Pro toolsSearch recorded evidence and save private review notes with Pro. $99/month plus applicable tax.
lowBackground location access with advertising SDKs present1 occurrence
Interpretation & review guidance
The app can access location in the background (even when closed) and also ships advertising/attribution SDKs. Background location is a heightened-scrutiny area for Google Play and privacy regulators; confirm it is essential and disclosed, and that location isn't shared with ad networks.
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Evidence preview
- Evidence type
- Static privacy indicators
- Representative location
pii:bgloc- Recorded match
background location + ad SDKs- Detector rule
pii- Recorded file locations
pii:bgloc
1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.
Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.
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lowData Safety label omits Contacts1 occurrence
Interpretation & review guidance
The app's Google Play Data Safety label omits a data category it can actually access — a permission it requests, or an advertising/device identifier it references. Under-declaring collection is a Play policy issue and a COPPA/privacy concern. This is a static signal: a requested permission is capability, not proof of collection — confirm against runtime behavior.
How often Data Safety labels disagree with the package →
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Evidence preview
- Evidence type
- Static string match
- Representative location
data-safety:Contacts- Recorded match
Pattern recorded; identifying value redacted.
1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.
Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.
Preview evidence and Pro toolsSearch recorded evidence and save private review notes with Pro. $99/month plus applicable tax.
lowFirebase Storage bucket reference1 occurrence
Interpretation & review guidance
A Firebase Cloud Storage bucket reference (the default <project>.appspot.com). Storing user files here is normal — it's only an exposure if the Storage security rules allow public read/list, which live verification tests.
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Evidence preview
- Evidence type
- Static string match
- Representative location
resources.arsc- Recorded match
Pattern recorded; identifying value redacted.- Detector rule
firebase_storage_bucket- Recorded file locations
resources.arsc
1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.
Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.
Preview evidence and Pro toolsSearch recorded evidence and save private review notes with Pro. $99/month plus applicable tax.
lowGoogle API key (client-shipped; restriction unverified)3 occurrences
Interpretation & review guidance
Android apps are designed to ship Google API keys in the client; Google restricts them by app signing certificate + enabled API. This is only a problem if the key is left unrestricted — presence alone is expected, not an exposure.
- Evidence
- 3 recorded occurrences in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Evidence preview
- Evidence type
- Static string match
- Representative location
resources.arsc- Recorded match
AIza•••••••• (21–40 chars, redacted)- Detector rule
google_api_key- Recorded file locations
resources.arsc
3 recorded findings have inspectable metadata. Duplicate matches may share a representative location.
Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.
Preview evidence and Pro toolsSearch recorded evidence and save private review notes with Pro. $99/month plus applicable tax.
lowPrivate key material (third-party library artifact, shared across 63 unrelated developers)1 occurrence
Interpretation & review guidance
A complete PEM private-key block is embedded in the app. This is a real finding worth review — but it is often a bundled library test/sample key rather than a production secret, so we flag it high and leave confirmation to you (a bare header alone no longer triggers it).
- Evidence
- 1 recorded occurrence in the analyzed APK. These are distinct stored findings, not a count of every source match.
- Verification
- Static detection; current reachability is not established.
Evidence preview
- Evidence type
- Static string match
- Representative location
classes3.dex- Recorded match
Pattern recorded; identifying value redacted.- Detector rule
private_key- Recorded file locations
classes3.dex
1 recorded findings have inspectable metadata. Duplicate matches may share a representative location.
Review whether this belongs to intended app functionality or a bundled library. A static match does not establish runtime impact.
Preview evidence and Pro toolsSearch recorded evidence and save private review notes with Pro. $99/month plus applicable tax.
No categories match these filters. Clear the search or choose all severities.
Privacy signals
Capabilities and bundled software do not prove that data was collected or transmitted.
Background location Precise location Approx. location Camera Contacts Phone state Accounts List installed apps
Requested permission inventory (44)
Data collection & flow (privacy signal, not part of the grade)
- Approximate location, Precise location, Background location requested while 1 ad/attribution SDK(s) are present (Google AdMob) — location commonly feeds ad targeting.
- Persistent-identifier APIs referenced in code (Advertising ID (AAID), Android ID, Device ID / IMEI +3 more) with 5 analytics/ad SDK(s) present — the mechanism used for cross-app profiling.
- Camera, Contacts, Personal info, Phone, Photos & files data requested with third-party analytics/ad SDKs present.
This maps what the app can access (permissions it requests, identifier APIs its code references) to the third parties bundled in it. It reflects capability and SDK presence — not proof that a specific value was transmitted.
Data Safety: declared vs observed (Play label vs our analysis)
We compare the developer's Google Play Data Safety declaration with what the binary can actually do (permissions it requests, identifier APIs and third-party SDKs it ships). A mismatch is a capability signal to confirm — a requested permission is not proof of collection.
Trackers & SDKs (7 detected · privacy signal, not part of the grade)
Build & components
Scanned build 10.58-c956ec4. Store metadata may describe a newer release.
3a3fc926c50e1807314696cb1567bbdd302504214a067320bb6ad884fa36624cSigning certificate (who signed this build — factual, not part of the grade)
62:12:a4:8e:ee:61:2c:18:c9:80:19:93:45:c4:c7:74:d9:e7:b3:56:1a:83:56:b1:16:c2:06:be:17:91:4d:04The certificate fingerprint identifies the parsed signing certificate. Knowing this public fingerprint does not establish ownership or validate the APK signature.
Component inventory
64 components. Advisory matching covers a curated set; no match is not proof that a component is vulnerability-free.
| Component | Version | Advisory matches |
|---|---|---|
androidx.activity:activity | 1.2.4 | None recorded |
androidx.annotation:annotation-experimental | 1.3.0 | None recorded |
androidx.appcompat:appcompat | 1.4.1 | None recorded |
androidx.appcompat:appcompat-resources | 1.4.1 | None recorded |
androidx.asynclayoutinflater:asynclayoutinflater | 1.0.0 | None recorded |
androidx.browser:browser | 1.3.0 | None recorded |
androidx.cardview:cardview | 1.0.0 | None recorded |
androidx.coordinatorlayout:coordinatorlayout | 1.1.0 | None recorded |
androidx.core:core | 1.9.0 | None recorded |
androidx.core:core-appdigest | 1.0.0-SNAPSHOT | None recorded |
androidx.core:core-ktx | 1.9.0 | None recorded |
androidx.cursoradapter:cursoradapter | 1.0.0 | None recorded |
androidx.customview:customview | 1.0.0 | None recorded |
androidx.databinding:baseAdapters | 8.2.0 | None recorded |
androidx.databinding:databindingKtx | 8.2.0 | None recorded |
androidx.databinding:library | 8.2.0 | None recorded |
androidx.databinding:viewbinding | 8.2.0 | None recorded |
androidx.datastore:datastore | 1.0.0 | None recorded |
androidx.datastore:datastore-preferences | 1.0.0 | None recorded |
androidx.documentfile:documentfile | 1.0.0 | None recorded |
androidx.drawerlayout:drawerlayout | 1.0.0 | None recorded |
androidx.emoji2:emoji2 | 1.0.0 | None recorded |
androidx.emoji2:emoji2-views-helper | 1.0.0 | None recorded |
androidx.fragment:fragment | 1.4.1 | None recorded |
androidx.interpolator:interpolator | 1.0.0 | None recorded |
androidx.legacy:legacy-preference-v14 | 1.0.0 | None recorded |
androidx.legacy:legacy-support-core-ui | 1.0.0 | None recorded |
androidx.legacy:legacy-support-core-utils | 1.0.0 | None recorded |
androidx.legacy:legacy-support-v4 | 1.0.0 | None recorded |
androidx.loader:loader | 1.0.0 | None recorded |
androidx.localbroadcastmanager:localbroadcastmanager | 1.1.0 | None recorded |
androidx.media:media | 1.0.0 | None recorded |
androidx.palette:palette | 1.0.0 | None recorded |
androidx.percentlayout:percentlayout | 1.0.0 | None recorded |
androidx.preference:preference | 1.1.0 | None recorded |
androidx.print:print | 1.0.0 | None recorded |
androidx.privacysandbox.ads:ads-adservices | 1.0.0-beta05 | None recorded |
androidx.privacysandbox.ads:ads-adservices-java | 1.0.0-beta05 | None recorded |
androidx.profileinstaller:profileinstaller | 1.3.0 | None recorded |
androidx.recyclerview:recyclerview | 1.2.1 | None recorded |
androidx.room:room-runtime | 2.5.2 | None recorded |
androidx.savedstate:savedstate | 1.2.1 | None recorded |
androidx.security:security-crypto | 1.0.0-rc03 | None recorded |
androidx.slidingpanelayout:slidingpanelayout | 1.0.0 | None recorded |
androidx.sqlite:sqlite | 2.3.1 | None recorded |
androidx.sqlite:sqlite-framework | 2.3.1 | None recorded |
androidx.startup:startup-runtime | 1.1.1 | None recorded |
androidx.swiperefreshlayout:swiperefreshlayout | 1.1.0 | None recorded |
androidx.tracing:tracing | 1.0.0 | None recorded |
androidx.transition:transition | 1.2.0 | None recorded |
androidx.vectordrawable:vectordrawable | 1.1.0 | None recorded |
androidx.vectordrawable:vectordrawable-animated | 1.1.0 | None recorded |
androidx.versionedparcelable:versionedparcelable | 1.1.1 | None recorded |
androidx.viewpager2:viewpager2 | 1.0.0 | None recorded |
androidx.viewpager:viewpager | 1.0.0 | None recorded |
androidx.webkit:webkit | 1.4.0 | None recorded |
androidx.work:work-gcm | 2.7.1 | None recorded |
androidx.work:work-runtime | 2.7.1 | None recorded |
com.google.android.material:material | 1.1.0 | None recorded |
com.google.dagger:dagger | 2.27 | None recorded |
com.squareup.okhttp3:okhttp | 4.9.0 | 1 matchCVE-2021-0341 · medium |
kotlinx:coroutines_android | 1.7.1 | None recorded |
kotlinx:coroutines_core | 1.7.1 | None recorded |
kotlinx:coroutines_play_services | 1.7.1 | None recorded |
About this app · store information
About this app
Antivirus, Virus Cleaner & Malware Scan | Mobile Security & Hacker Protection
Screenshots
Scan history
Each row is an observed scan. Gaps between scans do not establish how long a finding existed.
| Scanned (UTC) | Build | Score | Grade |
|---|---|---|---|
| 2026-09-29 14:59 UTC | 10.58-c956ec4 | 82 | B |
| 2026-09-13 13:11 UTC | 10.58-c956ec4 | 88 | B |
| 2026-09-06 09:22 UTC | 10.58-c956ec4 | 71 | C |
Export & share
Exports describe the recorded assessment. Signed evidence proves origin and integrity, not completeness or safety.
Coverage & gap matrix · Verify signed evidence
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