Is f4-sidify-patch.exe safe?
Unsigned 2 MB UPX-packed EXE flagged by 9 tier-1 engines as a confirmed patcher hacktool.
52 of 75 engines detect the file, including 9 tier-1 engines that converge on the 'patcher' family. The sample is unsigned, spawns scheduled tasks, contacts raw IPs, and appears on malware archives.
8a8da5bb59a29032cd…841dd057ad2e99Recommended next actions
Before running
Do not run it. Delete this file from the device, then empty the Recycle Bin or Trash.
If you already ran it
Disconnect from the internet, start a full or offline antivirus scan, then secure important accounts from a clean device.
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.
52 of 75 engines detect the file, including 9 tier-1 engines that converge on the 'patcher' family. The sample is unsigned, spawns scheduled tasks, contacts raw IPs, and appears on malware archives.
Strong tier-1 consensus on the patcher family, explicit hacktool labels from multiple engines, and external provenance from malware repositories outweigh the single sandbox run that did not return a malicious verdict. The file's age and medium prevalence indicate it is an established rather than novel sample. No code-signing or trusted-publisher signals exist to offset the detections.
What We Detected
52 of 75 engines flag the sample malicious. Nine tier-1 engines agree on the 'patcher' family; several label it explicitly as HackTool.Patcher. The binary is unsigned, packed with UPX, and triggers heuristics for scheduled-task persistence and direct-IP contact.
Threat Behavior
The executable spawns schtasks.exe, writes no dropped children, and communicates with four external IPs without domain names. External intelligence links the hash to known-malicious repositories.
What To Do Now
Do not execute the file. Keep endpoint protection enabled and remove the sample if present.
- 9 tier-1 engines flag the file
- hacktoolConfirmed by multiple engines
- unsigned executable
- scheduled-task persistence heuristic
- direct-IP contact to 4 addresses
- listed on malware archives
Treat the file as malicious and block or remove it; do not run or distribute.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete52 of 75 engines flagged the file.
Sandbox
Complete1 isolated runtime environment contributed observations.
Network
Partial4 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
- 5MITRE ATT&CK techniques
- 8spawned processes
- 4network contacts
- 23filesystem & mutex artifacts
What this file does
Observed actions and their security significance
Moderate concern: Contained obfuscated or packed code that makes inspection harder.
Moderate concern: Checked the environment for virtualisation or analysis tools.
Note: Collects details about your system.
Note: Connected to 4 servers during sandbox analysis.
These are observed capabilities from an isolated analysis. A technique does not prove malicious intent on its own, and the file never ran on your device.
Threat context
How hacktools are abused
This is a hacking or cracking tool — the kind used to bypass software licences, generate fake keys, or attack other systems. Even when the tool 'works', these downloads very often carry hidden malware.
Bottom line:Running one means trusting an anonymous author with full access to your PC — rarely worth the risk.
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
f4-sidify-patch.exe
8a8da5bb59a29032cdec90e709f643fc59667badeddd6327f5841dd057ad2e99
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Users\<USER>\Desktop\program.exe"
02Isolated runtime analysis - ProcessObserved
Observed process
%SAMPLEPATH%\8a8da5bb59a29032cdec90e709f643fc59667badeddd6327f5841dd057ad2e99.exe
03Isolated runtime analysis - +1 more recorded observation in Analyst mode
Network
Hosts contacted
- Contacted hostObserved
20.99.184.37
Contact observed during runtime.
04Isolated runtime analysis - Contacted hostObserved
20.99.133.109
Contact observed during runtime.
05Isolated runtime analysis - +1 more recorded observation in Analyst mode
5 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.
- 20.99.184.37
- 20.99.133.109
- 192.229.211.108
- 40.81.188.85
- C:\Windows\System32\spp\store\2.0\cache\cache.dat
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER2AF3.tmp.WERInternalMetadata.xml
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER2AF5.tmp.csv
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER2B05.tmp.txt
- C:\ProgramData\Microsoft\Windows\WER\Temp\WER896.tmp.WERInternalMetadata.xml
- Local\MSCTF.Asm.MutexDefault0
- Global\SQMWindowsConsolidator
- Local\MidiMapper_modLongMessage_RefCnt
- CTF.LBES.MutexDefaultS-1-5-21-1482476501-1645522239-1417001333-500
- CTF.Compart.MutexDefaultS-1-5-21-1482476501-1645522239-1417001333-500
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
- 52 / 75engines flagged
- 14sources in submission history
Why these facts are shown
Each statement identifies whether it was directly recorded or derived from saved scan facts.
- 01
52 of 75 antivirus engines flagged the file, including AhnLab-V3 and alibabacloud.
Verdict inputView chapterProvenanceObservedSourceAntivirus analysisObserved at - 02
The hash has been submitted 21 times from 14 sources.
ProvenanceDerivedSourceSaved report factsObserved at - 03
Scanned file: f4-sidify-patch.exe — 8a8da5bb59a29032cdec90e709f643fc59667badeddd6327f5841dd057ad2e99
ProvenanceObservedSourceUploaded fileObserved at - 04
Observed process — "C:\Users\<USER>\Desktop\program.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 05
Observed process — %SAMPLEPATH%\8a8da5bb59a29032cdec90e709f643fc59667badeddd6327f5841dd057ad2e99.exe
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
Contacted host: 20.99.184.37 — Contact observed during runtime.
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
Contacted host: 20.99.133.109 — Contact observed during runtime.
ProvenanceObservedSourceIsolated runtime analysisObserved at
Detection sources at a glance
Category: hacktool
One or more independent reference databases matched this hash.
Signatures and behavior heuristics
Behavioral heuristics matched patterns associated with malware. Corroborating evidence determines how much weight they carry.
Sample spawned schtasks / PowerShell scheduled-task cmdlets / sc create. Persistence mechanism.
EvidenceC:\Windows\System32\schtasks.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.
Evidence20.99.184.37 · 20.99.133.109 · 192.229.211.108
52 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
- f4-sidify-patch.exe
- Format
- Win32 EXE
- Code signing
- No verified publisher
- Size
- 2.0 MB
- Last analyzed
- Aug 30, 2026, 6:01 PM UTC
8a8da5bb59a29032cdec90e709f643fc59667badeddd6327f5841dd057ad2e99Safety & FAQ
Complete recovery guidance and answers for the next decision.
What to do now
This file is dangerous. Treat it as harmful and remove it.
- Recovery step 01
Don't run this file. Delete this file from the device, then empty the Recycle Bin or Trash.
- Recovery step 02
If you already ran it, disconnect from the internet and start with a full antivirus scan or Microsoft Defender Offline scan. If compromise is suspected or the problem persists, use a reputable second-opinion scanner and follow incident-recovery or clean-reinstall guidance.
- Recovery step 03
If you typed any passwords while it was open, change them from a device you trust.
- Recovery step 04
Get a fresh copy from the developer's official site or an official app store.
Safety FAQ
Direct answers grounded in the saved verdict and evidence in this report.
Is f4-sidify-patch.exe a virus?
What is f4-sidify-patch.exe?
How many antivirus engines detected f4-sidify-patch.exe?
What should I do if I already ran f4-sidify-patch.exe?
How do I remove f4-sidify-patch.exe?
What kind of malware is f4-sidify-patch.exe?
What is the SHA-256 hash of f4-sidify-patch.exe?
How up to date is this analysis of f4-sidify-patch.exe?
Community
Member reviews and reports for this exact file hash.