Is 7zipInstall.exe safe?
Unsigned 7-Zip installer with zero engine detections and clean sandbox results.
All 75 engines are silent and the single sandbox run returned a clean verdict. The file writes standard 7-Zip program files and shows no complete contacted-host reputation result was available contact or dropped children.
6745fa76dc2ea03159…adbbc7b8d82ef0Recommended 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 engines are silent and the single sandbox run returned a clean verdict. The file writes standard 7-Zip program files and shows no complete contacted-host reputation result was available contact or dropped children.
Zero malicious detections across 75 engines, including 17 tier-1 engines, removes any engine-based risk signal. The unsigned state is expected for many legitimate installers and is offset by medium prevalence and installer filename hints. Sandbox execution produced only ambient techniques and wrote known 7-Zip components without malicious children. The single YARAify rule match lacks engine or sandbox corroboration and is treated as a low-weight dissenting signal.
What We Detected
75 antivirus engines scanned the sample; none returned a malicious or suspicious result. The executable is unsigned and carries an installer filename pattern. One community YARA rule fired but is unsupported by any engine detection.
Threat Behavior
The sandbox observed standard installer actions: writing 7-Zip binaries and language files, creating icon-cache mutexes, and no outbound network activity. No persistence mechanisms or defense-evasion techniques associated with malware were recorded.
What To Do Now
The file can be executed if obtained from the official 7-Zip site. Keep endpoint protection enabled; no additional steps are required.
Where this verdict could be wrong1 caveat
- YARAify matched 1 rule (VECT_Ransomware) but no corroborating engine detections or sandbox verdict; rule may be overly broad.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- Zero detections from 75 engines
- Clean sandbox verdict
- Medium prevalence consistent with legitimate installer
Run the installer only after confirming the download source matches the official 7-Zip website; retain existing security software settings.
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
Not runNo contacted-host reputation check is recorded.
No timestamp recordedYARA
Complete1 signature or behavior rule 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
- 13MITRE ATT&CK techniques
- 1spawned processes
- 0network contacts
- 25filesystem & 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
7zipInstall.exe
6745fa76dc2ea031596d8678f6f6b99c3c1b435b4164a63485adbbc7b8d82ef0
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Users\user\Desktop\7z2602-x64.exe"
02Isolated runtime analysis
Files
Created or changed
- Written fileObserved
7-zip.chm
C:\Program Files\7-Zip\7-zip.chm
03Isolated runtime analysis - Written fileObserved
7-zip32.dll
C:\Program Files\7-Zip\7-zip32.dll
04Isolated runtime analysis - +1 more recorded observation in Analyst mode
4 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.
- C:\Program Files\7-Zip\7-zip.chm
- C:\Program Files\7-Zip\7-zip32.dll
- C:\Program Files\7-Zip\7z.dll
- C:\Program Files\7-Zip\7zG.exe
- C:\Program Files\7-Zip\History.txt
- \Sessions\1\BaseNamedObjects\Global\C::Users:user:AppData:Local:Microsoft:Windows:Explorer:iconcache_idx.db!rwWriterMutex
- \Sessions\1\BaseNamedObjects\Global\C::Users:user:AppData:Local:Microsoft:Windows:Explorer:iconcache_16.db!dfMaintainer
- \Sessions\1\BaseNamedObjects\Global\C::Users:user:AppData:Local:Microsoft:Windows:Explorer:iconcache_32.db!dfMaintainer
- \Sessions\1\BaseNamedObjects\Global\C::Users:user:AppData:Local:Microsoft:Windows:Explorer:iconcache_48.db!dfMaintainer
- \Sessions\1\BaseNamedObjects\Global\C::Users:user:AppData:Local:Microsoft:Windows:Explorer:iconcache_96.db!dfMaintainer
Files this sample writes at runtime
This file drops 10 children at runtime. None are currently flagged malicious in our cache.
- 96dd966cef6d32126b5d…c247d9Never scannednever seen before
- fc46083ab31a20bacc81…e8b8f5Never scannednever seen before
- 2222f8f65af66a89581a…db4fddNever scannednever seen before
- 69fd4df057985c40e510…ce61f8Never scannednever seen before
- 83967f1b02b43c4efeda…676a7dNever scannednever seen before
- b46b816df1f76de1c698…ca40deNever scannednever seen before
- 31f81efbcde354e0ba3a…ca5df5Never scannednever seen before
- ebc4f14a05deb7443a2c…3adf3aNever scannednever seen before
- 307a306fd3c2e1beab67…1a25f0Never scannednever seen before
- 130b1971ac66eb2e4988…7f35ccNever 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.
- 1rule hit recorded
- 0 / 75engines flagged
- 3,701sources 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
1 high-confidence signature or behavior rule matched this file.
Verdict inputView chapterProvenanceObservedSourceSignature and behavior rulesObserved at - 03
YARAify matched 1 researcher rule to this file.
ProvenanceDerivedSourceSaved report factsObserved at - 04
Scanned file: 7zipInstall.exe — 6745fa76dc2ea031596d8678f6f6b99c3c1b435b4164a63485adbbc7b8d82ef0
ProvenanceObservedSourceUploaded fileObserved at - 05
Observed process — "C:\Users\user\Desktop\7z2602-x64.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
File written: 7-zip.chm — C:\Program Files\7-Zip\7-zip.chm
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
File written: 7-zip32.dll — C:\Program Files\7-Zip\7-zip32.dll
ProvenanceObservedSourceIsolated runtime analysisObserved at
Detection sources at a glance
The available sources did not agree on a named threat category.
One or more independent reference databases matched 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.
- VECT_Ransomware
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
Moderate prevalence — neither rare nor common. No strong prior applies.
Fingerprint and provenance
- File name
- 7zipInstall.exe
- Format
- Win32 EXE
- Code signing
- No verified publisher
- Size
- 1.6 MB
- Last analyzed
- Aug 28, 2026, 9:53 PM UTC
6745fa76dc2ea031596d8678f6f6b99c3c1b435b4164a63485adbbc7b8d82ef0Safety & 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 7zipInstall.exe safe?
What is 7zipInstall.exe?
How many antivirus engines detected 7zipInstall.exe?
What is the SHA-256 hash of 7zipInstall.exe?
Is it safe to run 7zipInstall.exe?
How up to date is this analysis of 7zipInstall.exe?
Community
Member reviews and reports for this exact file hash.