Is BlueStacksInstaller.exe safe?
No antivirus engine detected malware, while the verified Now.gg signature, broad prevalence, and matching prior installer outweigh uncorroborated behavioral heuristic alerts.
All 75 antivirus engines returned no malware or suspicious detection, including the reporting tier-1 products. The verified Now.gg signature, 484 submissions, and a signer-matched prior installer support legitimate distribution, although the process-injection and LSASS-related heuristic mappings merit caution because host-reputation coverage was incomplete.
30ebf5431e598f1fe7…ff8dc0aa555d5eRecommended next actions
Before running
Run it only when it came from the developer's official site or another source you independently trust.
If you already ran it
Keep normal device protection enabled and stop if the file behaves unexpectedly.
Intelligence
The saved assessment, checked against the scan evidence and recorded coverage.
The reasoning behind this verdict
This section explains the evidence supporting the verdict and keeps conflicting or missing signals visible.
All 75 antivirus engines returned no malware or suspicious detection, including the reporting tier-1 products. The verified Now.gg signature, 484 submissions, and a signer-matched prior installer support legitimate distribution, although the process-injection and LSASS-related heuristic mappings merit caution because host-reputation coverage was incomplete.
The strongest evidence is the complete absence of detections across 75 antivirus engines, with no tier-1 engine flagging the sample. Its signature verifies as Now.gg, no brand conflict was detected, and the file has appeared through 444 distinct sources. A prior installer sharing both the imphash and signer received a clean assessment, adding limited but relevant historical support. One sandbox produced no malicious verdict, yet heuristic mappings for process injection and possible LSASS targeting are meaningful counter-signals. Those mappings are not corroborated by engine detections, malicious child verdicts, or external intelligence, while the contacted-host reputation check did not cover every observed contact.
What We Detected
None of the 75 antivirus engines flagged the executable, and 16 tier-1 engines reported no detection. The executable carries a verified Now.gg signature, has no detected brand mismatch, and has been submitted 484 times by 444 distinct sources. One prior BlueStacks installer with the same imphash and matching signer also received a clean assessment.
Threat Behavior
One completed sandbox run did not issue a malicious verdict. However, behavioral heuristics mapped activity to T1055 process injection and raised a possible LSASS-access concern, alongside direct-IP traffic. These alerts are not corroborated by antivirus detections or external-intelligence hits. Ten dropped children were inspected without a malicious child verdict, but all ten remain unclassified, and host-reputation coverage did not include every observed connection.
What To Do Now
Use the installer only if it came from the official BlueStacks or Now.gg distribution channel, and verify that Windows still reports the signer as Now.gg before execution. Keep endpoint protection enabled and avoid running copies obtained through advertisements, mirrors, or unsolicited links.
Where this verdict could be wrong4 caveats
- triggeredHeuristics includes MalwareTips.Synth.ProcessInjection for T1055 and MalwareTips.Synth.CredentialDumper based on an LSASS process reference; these findings warrant caution despite lacking engine or sandbox-verdict corroboration.
- contactedHosts.inspected=1 does not cover every distinct IP and URL in behaviour.contactedIps and behaviour.contactedUrls, so no complete host-reputation result is available.
- signing.signerStats.totalSamples=1 provides only a minimal history for 'Now.gg'.
- droppedChildren inspected 10 hashes, but droppedChildren.rollup.unknown=10 means their absence of a malicious verdict is not equivalent to confirmed benign status.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- 0/75 antivirus engines reported malware or suspicious content.
- signing.verified=true for 'Now.gg'.
- No brand mismatch was detected.
- 484 submissions from 444 distinct sources indicate broad distribution.
- One signer-matched imphash precedent was previously assessed clean.
- T1055 process-injection mapping was recorded during the sandbox run.
- A credential-dumping heuristic referenced LSASS process activity.
- Host-reputation inspection covered only 1 host despite multiple observed contacts.
- All 10 inspected dropped children remain unclassified.
- The verified Now.gg signer has only 1 historical sample in signerStats.
Prefer a fresh copy from the official BlueStacks or Now.gg download channel and confirm the Now.gg signature before use. Keep antivirus and endpoint protection enabled.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete0 of 75 engines flagged the file.
Sandbox
Complete1 isolated runtime environment contributed observations.
Network
Partial1 of 6 contacted hosts were cross-checked; coverage is incomplete.
YARA
Complete3 signature or behavior rules matched.
External intel
Complete3 of 3 independent reference sources completed.
Behavior
Plain-English impact first, then the observed runtime evidence.
Runtime flight recorder
Capture complete- 1isolated sandbox run
- 27MITRE ATT&CK techniques
- 14spawned processes
- 6network contacts
- 33filesystem & mutex artifacts
Attack story
Runtime observations grouped by analysis stage. Arrows organize the stages; they do not claim chronology or causality.
Input file
The submitted object
- FileObserved
BlueStacksInstaller.exe
30ebf5431e598f1fe75afc196bf6d4a9e2f88b2d5dd82cb0c1ff8dc0aa555d5e
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Users\<USER>\Desktop\8e3e956fbfd0e3_MzsxNQ___VHJhaWxzIG9mIENvbGQgU3RlZWw6Tlc_.exe"
02Isolated runtime analysis - ProcessObserved
Observed process
"C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\BlueStacksInstaller.exe"
03Isolated runtime analysis - +1 more recorded observation in Analyst mode
Files
Created or changed
- Written fileObserved
Assets
C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\Assets
04Isolated runtime analysis - Written fileObserved
Locales
C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\Locales
05Isolated runtime analysis - +1 more recorded observation in Analyst mode
Network
Hosts contacted
- Contacted hostObserved
34.160.86.181
Contact observed during runtime.
06Isolated runtime analysis - Contacted hostObserved
8.8.8.8
Contact observed during runtime.
07Isolated runtime analysis - +1 more recorded observation in Analyst mode
7 recorded facts from one runtime window. Every fact remains independently traceable in Analyst mode.
What this file did when executed
This file was detonated in 1 sandbox and its runtime behaviour was observed.
Adversary techniques mapped to the MITRE ATT&CK framework.
- 34.160.86.181
- 8.8.8.8
- 2.18.67.7
- 23.11.32.159
- 199.232.210.172
- https://cloud.bluestacks.com/api/getcountryforip
- C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\Assets
- C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\Locales
- C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\Assets\backicon.png
- C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\Assets\change.png
- C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\Assets\change_click.png
- C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\Assets\backicon.png
- C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\Assets\change.png
- C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\Assets\change_click.png
- C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\Assets\change_hover.png
- C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\Assets\checked_gray.png
- Local\WERReportingForProcess4700
- Global\8e1c7f7f-821b-4cb0-9a90-fd935f7298a5
- Global\BlueStacks_MicroInstaller_Locknxt
Files this sample writes at runtime
This file drops 10 children at runtime. None are currently flagged malicious in our cache.
- f8948c19a6abef830414…42c652Never scannednever seen before
- e324d895c51e5df20f4d…8a9a7fNever scannednever seen before
- fa64884054171515e97b…9cb1c1Never scannednever seen before
- 8e5847487da148ebb3ea…4e6dc1Never scannednever seen before
- d7c79677d2ef897fa0ad…165c20Never scannednever seen before
- d0b6d143642d356b40c4…b09bfbNever scannednever seen before
- d5a7e6fc5e92e0b29a4f…2ce0cdNever scannednever seen before
- 7c625ae4668cc03e37e4…8acdd0Never scannednever seen before
- fbece8bb5f4dfa55dcfb…e68f7bNever scannednever seen before
- 1318e0f34a551edae1e8…2d5b90Never scannednever seen before
Detection & Forensics
Consensus, attribution, signatures, code structure, prevalence, and identity.
Evidence integrity
Chain of custody for the facts preserved in this report.
- 3rule hits recorded
- 0 / 75engines flagged
- 444sources in submission history
Why these facts are shown
Each statement identifies whether it was directly recorded or derived from saved scan facts.
- 01
0 of 75 antivirus engines flagged the file.
Verdict inputView chapterProvenanceObservedSourceAntivirus analysisObserved at - 02
The file has a valid code signature from Now.gg.
ProvenanceObservedSourceCode-signing metadataObserved at - 03
1 high-confidence signature or behavior rule matched this file.
Verdict inputView chapterProvenanceDerivedSourceSignature and behavior rulesObserved at - 04
Scanned file: BlueStacksInstaller.exe — 30ebf5431e598f1fe75afc196bf6d4a9e2f88b2d5dd82cb0c1ff8dc0aa555d5e
ProvenanceObservedSourceUploaded fileObserved at - 05
Observed process — "C:\Users\<USER>\Desktop\8e3e956fbfd0e3_MzsxNQ___VHJhaWxzIG9mIENvbGQgU3RlZWw6Tlc_.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
Observed process — "C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\BlueStacksInstaller.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
File written: Assets — C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\Assets
ProvenanceObservedSourceIsolated runtime analysisObserved at - 08
File written: Locales — C:\Users\<USER>\AppData\Local\Temp\7zS464E8990\Locales
ProvenanceObservedSourceIsolated runtime analysisObserved at - 09
Contacted host: 34.160.86.181 — Contact observed during runtime.
ProvenanceObservedSourceIsolated runtime analysisObserved at - 10
Contacted host: 8.8.8.8 — Contact observed during runtime.
ProvenanceObservedSourceIsolated runtime analysisObserved at
Detection sources at a glance
The available sources did not agree on a named threat category.
MalwareBazaar, YARAify, and CIRCL hashlookup completed and returned no entries for this hash.
Signatures and behavior heuristics
A community signature or high-severity behavioral heuristic matched. Signatures identify known patterns; heuristics are strong leads but are not proof on their own.
The saved runtime evidence maps this activity to MITRE T1055 (Process Injection). The mapping supports possible process injection, but it does not prove the exact injection method or the operator's intent.
EvidenceC:\Windows\System32\svchost.exe -k NetworkService -pSandbox observed process activity targeting LSASS (Windows credential store). Legitimate software has no business reading LSASS memory — this is Mimikatz-shape behaviour.
EvidenceC:\Windows\system32\lsass.exeThe sample contacted an external IP address directly and no application domain was recorded. Direct-IP traffic also occurs in legitimate installers and infrastructure, so this is supporting context only and requires corroboration from host reputation and other runtime evidence.
Evidence34.160.86.181 · 2.18.67.7 · 23.11.32.159
0 of 75 engines flagged this file
View all 75 engine results
Section entropy & packers
No high-entropy executable section or known packer signature was detected. Data and resource sections can still have high entropy without indicating packed code.
How widely this file has been seen
Lots of people are uploading this but it's recent — typical of newly-released legitimate software. Low prior for malware.
Fingerprint and provenance
- File name
- BlueStacksInstaller.exe
- Format
- Win32 EXE
- Code signing
- Signature valid: Now.gg
- Size
- 931.5 KB
- Last analyzed
- Sep 13, 2026, 9:40 AM UTC
30ebf5431e598f1fe75afc196bf6d4a9e2f88b2d5dd82cb0c1ff8dc0aa555d5eSafety & FAQ
Complete recovery guidance and answers for the next decision.
What to do now
This file appears low risk based on the evidence available now.
- Recovery step 01
Run it only when it came from the developer's official site or another source you independently trust.
- Recovery step 02
A clean result reduces known risk, but it cannot guarantee that every new or targeted threat has been detected.
- Recovery step 03
Keep your antivirus and Windows updates switched on so you stay protected.
Safety FAQ
Direct answers grounded in the saved verdict and evidence in this report.
Is BlueStacksInstaller.exe safe?
What is BlueStacksInstaller.exe?
How many antivirus engines detected BlueStacksInstaller.exe?
Is BlueStacksInstaller.exe digitally signed?
What is the SHA-256 hash of BlueStacksInstaller.exe?
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Community
Member reviews and reports for this exact file hash.