Is setup.exe safe?
No antivirus engine identified malware in this long-established installer, though unsigned code, possible process injection, and unchecked IP reputation justify ordinary caution.
All 76 antivirus engines returned no malware detection, including 17 tier-1 engines, and the file has circulated since 2006 across 120 sources. One sandbox mapped possible process injection and direct-IP traffic, but produced no malicious sandbox verdict; because host reputation was not checked completely, use only a trusted copy and keep endpoint protection enabled.
5d57a1d57e346fe6a6…d5895d7eb6701cRecommended next actions
Before installing
Install it only when it came from the developer's official site or an official app store.
If you already installed 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 76 antivirus engines returned no malware detection, including 17 tier-1 engines, and the file has circulated since 2006 across 120 sources. One sandbox mapped possible process injection and direct-IP traffic, but produced no malicious sandbox verdict; because host reputation was not checked completely, use only a trusted copy and keep endpoint protection enabled.
The strongest evidence is the complete absence of detections across 76 antivirus engines, including 17 tier-1 engines. The file is also long-established and broadly submitted, which weighs against a newly distributed threat. One completed sandbox mapped possible process injection under T1055 and observed direct-IP traffic, but it did not issue a malicious sandbox verdict or record persistence. No malicious dropped child was identified, although eight child verdicts are unavailable. The executable is unsigned, and contactedHosts is null, so publisher authenticity and complete reputation coverage for the observed IP addresses remain unresolved.
What We Detected
None of 76 antivirus engines flagged the executable, including all 17 reporting tier-1 engines. It has been known since 2006, with 139 submissions from 120 sources, and no matching malware family was identified by the available external research sources.
Threat Behavior
One completed sandbox mapped possible process injection to MITRE T1055 and recorded several direct-IP connections. These observations deserve caution, but the sandbox did not produce a malicious verdict or record persistence. Nine dropped files were inspected: one has a saved safe result, none is known malicious, and eight lack a saved verdict. No complete host-reputation result is available because the contacted-host cross-check was not saved.
What To Do Now
Use the file only if it came from an expected and trustworthy source. Because the executable is unsigned, verify its SHA-256 value with the distributor when possible, keep endpoint protection enabled, and avoid granting unnecessary administrative privileges.
Where this verdict could be wrong4 caveats
- The completed sandbox mapped activity to T1055 process injection, which is an offensive technique and remains a meaningful behavioral concern.
- MalwareTips.Synth.DirectIpC2 fired after direct connections to addresses including 20.99.132.105 and 13.107.4.50; contactedHosts=null means no complete host-reputation result is available.
- signing.signed=false for this Win32 EXE, so publisher identity and integrity cannot be authenticated.
- Eight of the nine inspected dropped children have no saved verdict, limiting the strength of the child-file assessment.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- 0/76 antivirus engines reported malware
- All 17 reporting tier-1 engines returned no detection
- Known since 2006 across 120 unique sources
- No malicious sandbox verdict or persistence indicator
- No known malicious dropped child or external-intelligence hit
- Unsigned Win32 executable with no authenticated publisher
- Sandbox evidence mapped to MITRE T1055 process injection
- Direct-IP connections were observed without a complete host-reputation cross-check
- Eight of nine dropped children lack saved verdicts
Use only a copy obtained from a trusted source and verify its SHA-256 with the distributor if available. Keep endpoint protection enabled and investigate any unexpected network activity during installation.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete0 of 76 engines flagged the file.
Sandbox
Complete1 isolated runtime environment contributed observations.
Network
Partial16 runtime contacts were observed without a completed reputation cross-check.
YARA
Complete2 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
- 7MITRE ATT&CK techniques
- 7spawned processes
- 16network contacts
- 38filesystem & 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
setup.exe
5d57a1d57e346fe6a60b6e01673804f61c865e0578bd6c52ffd5895d7eb6701c
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Users\<USER>\Desktop\executable.exe"
02Isolated runtime analysis - ProcessObserved
Observed process
"C:\Users\<USER>\AppData\Local\Temp\irsetup.exe"
03Isolated runtime analysis - +1 more recorded observation in Analyst mode
Files
Created or changed
- Written fileObserved
irsetup.exe
C:\Users\<USER>\AppData\Local\Temp\irsetup.exe
04Isolated runtime analysis - Written fileObserved
irsetup.dat
C:\Users\<USER>\AppData\Local\Temp\irsetup.dat
05Isolated runtime analysis - +1 more recorded observation in Analyst mode
Network
Hosts contacted
- Contacted hostObserved
20.99.132.105
Contact observed during runtime.
06Isolated runtime analysis - Contacted hostObserved
13.107.4.50
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.
- 20.99.132.105
- 13.107.4.50
- 192.168.0.16
- 23.216.147.76
- 192.168.0.5
- 52.154.209.174
- 23.216.81.152
- 192.168.0.21
- 20.99.185.48
- 20.99.133.109
- C:\Users\<USER>\AppData\Local\Temp\irsetup.exe
- C:\Users\<USER>\AppData\Local\Temp\irsetup.dat
- C:\Users\<USER>\AppData\Local\Temp\suf6lng.9
- C:\Users\<USER>\AppData\Local\Temp\IRIMG1.BMP
- C:\Users\<USER>\AppData\Local\Temp\IRIMG2.BMP
- C:\Windows\System32\spp\store\2.0\cache\cache.dat
- C:\Windows\System32\wbem\Performance\WmiApRpl.h
- C:\Windows\System32\wbem\Performance\WmiApRpl.ini
- C:\Documents and Settings\Administrator\Local Settings\Temp\IRIMG1.BMP
- C:\Documents and Settings\Administrator\Local Settings\Temp\IRIMG2.BMP
- CTF.LBES.MutexDefaultS-1-5-21-1482476501-1645522239-1417001333-500
- CTF.Compart.MutexDefaultS-1-5-21-1482476501-1645522239-1417001333-500
- CTF.Asm.MutexDefaultS-1-5-21-1482476501-1645522239-1417001333-500
- CTF.Layouts.MutexDefaultS-1-5-21-1482476501-1645522239-1417001333-500
- CTF.TMD.MutexDefaultS-1-5-21-1482476501-1645522239-1417001333-500
Files this sample writes at runtime
This file drops 9 children at runtime. None are currently flagged malicious in our cache.
- ff0b872a6b7dcdab47e1…00dc7aNever scannednever seen before
- 35c4c9dff69417bfb9f7…28d7ceNever scannednever seen before
- 64349bc9c60a2e3fc757…26e82cNever scannednever seen before
- de4baa540b128b303c3b…9063bcNever scannednever seen before
- 9e39509c4c624c10d1e7…42f124Never scannednever seen before
- cb6a88b59e1ef7ffd028…86a0e4Never scannednever seen before
- 5b0ba52da0737d0decf7…87f260Clean1/75 enginestrust 88from our cache
- f55eb48b09642f12444e…285eddNever scannednever seen before
- b2aa02dc6be51a4450e7…6f0fe1Never 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.
- 2rule hits recorded
- 0 / 76engines flagged
- 120sources 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 76 antivirus engines flagged the file.
Verdict inputView chapterProvenanceObservedSourceAntivirus analysisObserved at - 02
The hash has a long, established submission history across 120 sources.
Verdict inputView chapterProvenanceDerivedSourceSubmission historyObserved at - 03
1 high-confidence signature or behavior rule matched this file.
Verdict inputView chapterProvenanceDerivedSourceSignature and behavior rulesObserved at - 04
Scanned file: setup.exe — 5d57a1d57e346fe6a60b6e01673804f61c865e0578bd6c52ffd5895d7eb6701c
ProvenanceObservedSourceUploaded fileObserved at - 05
Observed process — "C:\Users\<USER>\Desktop\executable.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
Observed process — "C:\Users\<USER>\AppData\Local\Temp\irsetup.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
File written: irsetup.exe — C:\Users\<USER>\AppData\Local\Temp\irsetup.exe
ProvenanceObservedSourceIsolated runtime analysisObserved at - 08
File written: irsetup.dat — C:\Users\<USER>\AppData\Local\Temp\irsetup.dat
ProvenanceObservedSourceIsolated runtime analysisObserved at - 09
Contacted host: 20.99.132.105 — Contact observed during runtime.
ProvenanceObservedSourceIsolated runtime analysisObserved at - 10
Contacted host: 13.107.4.50 — 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.
Evidence"C:\Users\<USER>\Desktop\executable.exe"The 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.
Evidence20.99.132.105 · 13.107.4.50 · 23.216.147.76
0 of 76 engines flagged this file
View all 76 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
Widely seen in the wild for a long time. High prior this is legitimate; isolated detections on common-old files are usually false positives.
Fingerprint and provenance
- File name
- setup.exe
- Format
- Win32 EXE
- Code signing
- No verified publisher
- Size
- 2.1 MB
- Last analyzed
- Sep 15, 2026, 8:19 PM UTC
5d57a1d57e346fe6a60b6e01673804f61c865e0578bd6c52ffd5895d7eb6701cSafety & 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
Install it only when it came from the developer's official site or an official app store.
- 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 setup.exe safe?
What is setup.exe?
How many antivirus engines detected setup.exe?
What is the SHA-256 hash of setup.exe?
Is it safe to install setup.exe?
How up to date is this analysis of setup.exe?
Community
Member reviews and reports for this exact file hash.