Is Obekräftade 616893.crdownload safe?
Thirty of 76 engines flagged this ZIP, while runtime analysis executed shutdown-themed scripts and recorded offensive techniques T1055 and T1562.001.
This small ZIP received trojan detections from 30 of 76 engines, including nine high-trust detections. A completed sandbox run launched BAT and VBS components, including a shutdown-themed script, and recorded possible process injection and defense impairment; do not open or execute its contents.
ca5a3bb37d1bf7353b…f953c830907480Recommended next actions
Before opening or extracting
Do not open or extract it. Delete this archive from the device, then empty the Recycle Bin or Trash.
If you already opened or extracted it
Close it. If it opened links, requested credentials, or triggered unexpected behavior, disconnect from the internet and run a full device scan.
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.
This small ZIP received trojan detections from 30 of 76 engines, including nine high-trust detections. A completed sandbox run launched BAT and VBS components, including a shutdown-themed script, and recorded possible process injection and defense impairment; do not open or execute its contents.
The detection volume is substantial: 30 of 76 engines flagged the archive, including nine high-trust engines. Labels vary, but several independently describe a BAT or ZIP shutdown trojan, while ESET-NOD32 identifies a downloader component. Runtime analysis executed multiple BAT and VBS files through Windows command and script interpreters and produced a malware sandbox finding. Offensive techniques T1055 and T1562.001 further increase concern, although the evidence does not prove a specific implementation of process injection or defense impairment. Family attribution remains limited because the high-trust engines did not establish strong family consensus, and no complete reputation check is available for the observed IP contact.
What We Detected
Thirty of 76 antivirus engines flagged this 4,699-byte ZIP archive. Nine high-trust engines detected it, including Microsoft, ESET-NOD32, Kaspersky, Fortinet, BitDefender, Emsisoft, Ikarus, Symantec, and Trend Micro. The labels differ, but several describe BAT-based shutdown or generic trojan activity; ESET-NOD32 additionally identifies a TrojanDownloader.Agent variant.
Threat Behavior
A completed sandbox run launched BAT and VBS files through cmd.exe and wscript.exe, including a component named shutdown-virus.bat and scripts used for fake Windows errors and delayed execution. The runtime record maps activity to T1055 and T1562.001, indicating possible process injection and impairment of defenses. One external IP was contacted, but no complete host-reputation result is available, so that contact is not treated as confirmed command-and-control.
What To Do Now
Do not extract or run the archive. Quarantine or delete it with endpoint protection kept enabled, and run a full system scan if any included script was executed. If execution occurred, review recent processes, startup locations, scheduled tasks, and security-control changes.
Where this verdict could be wrong3 caveats
- Four tier-1 engines reported no detection, and the tier-1 engines did not establish a strong common family name.
- droppedChildren inspected 10 files without a confirmed malicious child, although all 10 child verdicts remained unknown.
- externalIntel.yaraify.ruleCount=0 and externalIntel.circl.hit=false, but those absences do not outweigh the engine and runtime evidence.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- No strong tier-1 family consensus was established
- No malicious dropped child was confirmed among 10 inspected files
- No CIRCL or YARAify match was returned
- 30 of 76 antivirus engines detected the archive
- Nine high-trust engine detections
- Completed sandbox run produced a malware finding
- BAT and VBS scripts executed through cmd.exe and wscript.exe
- Shutdown-themed script execution
- Possible process injection mapped to T1055
Quarantine or delete the archive without opening it, and keep endpoint protection enabled. If any contained script ran, perform a full scan and investigate the system for resulting changes.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete30 of 76 engines flagged the file.
Sandbox
Complete1 isolated runtime environment contributed observations.
Network
Partial1 runtime contact was 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
- 15MITRE ATT&CK techniques
- 15spawned processes
- 1network contacts
- 18filesystem & mutex artifacts
What this file does
Observed actions and their security significance
High concern: Injected code into another process, a technique that can conceal execution.
High concern: Used an input-capture technique that can record credentials or keystrokes.
High concern: Attempted to impair or bypass security controls.
High concern: Manipulated how the operating system loads code, which can redirect execution.
Moderate concern: Runs hidden system commands (script or shell).
Moderate concern: Communicated over a common application protocol; malware can use this for command-and-control.
Moderate concern: Scans through your files and folders.
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 trojans work
A trojan disguises itself as something useful or harmless to trick you into running it. Once open, it does its real job in the background — anything from stealing data to opening a back door or downloading more malware.
Bottom line:The disguise is the whole trick, so a trustworthy-looking name or icon means nothing.
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
Obekräftade 616893.crdownload
ca5a3bb37d1bf7353bca67a407f0cc73b8672e66d85ad00afff953c830907480
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Windows\system32\cmd.exe" /c "cd ^"C:\Users\<USER>\AppData\Local\Temp^" && start /wait ^"^" ^"C:\Users\<USER>\AppData\Local\Temp\fake-virus-main/boom.bat^"
02Isolated runtime analysis - ProcessObserved
Observed process
C:\Windows\system32\cmd.exe /K "C:\Users\<USER>\AppData\Local\Temp\fake-virus-main/boom.bat
03Isolated runtime analysis - +1 more recorded observation in Analyst mode
Files
Created or changed
- Written fileObserved
getadmin.vbs
C:\Users\<USER>\AppData\Local\Temp\getadmin.vbs
04Isolated runtime analysis - Written fileObserved
sleep5000.vbs
C:\Users\<USER>\AppData\Local\Temp\sleep5000.vbs
05Isolated runtime analysis - +1 more recorded observation in Analyst mode
Network
Hosts contacted
- Contacted hostObserved
74.125.69.94
Contact observed during runtime.
06Isolated runtime analysis
6 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; 1 returned "malicious".
Adversary techniques mapped to the MITRE ATT&CK framework.
- 74.125.69.94
- HKEY_CURRENT_USER_Classes\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\LangID
- HKEY_CURRENT_USER_Classes\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Windows\System32\WScript.exe.FriendlyAppName
- HKEY_CURRENT_USER_Classes\Local Settings\Software\Microsoft\Windows\Shell\MuiCache\C:\Windows\System32\WScript.exe.ApplicationCompany
- C:\Users\<USER>\AppData\Local\Temp\getadmin.vbs
- C:\Users\<USER>\AppData\Local\Temp\sleep5000.vbs
- C:\Users\<USER>\AppData\Local\Temp\sleep3000.vbs
- C:\Users\<USER>\AppData\Local\Temp\sleep4000.vbs
- C:\Users\<USER>\AppData\Local\Temp\sleep2000.vbs
- Local\ZonesCacheCounterMutex
- Local\ZonesLockedCacheCounterMutex
- \Sessions\1\BaseNamedObjects\Global\SyncRootManager
Files this sample writes at runtime
This file drops 10 children at runtime. None are currently flagged malicious in our cache.
- fe4194dd274863aa207d…3c94c8Never scannednever seen before
- 38c8180a2c7fe376fc23…960db4Never scannednever seen before
- 70f457bc82521dd3f348…1eb956Never scannednever seen before
- 6b0a21534942f8c2ce5e…4f3c29Never scannednever seen before
- 4d37ca207fdc85caa57e…56b652Never scannednever seen before
- a135e2c20932cd2fcb35…02a889Never scannednever seen before
- 69271c104eacefe69068…7c33b7Never scannednever seen before
- 6c6192d61ba0b867ae95…64ca46Never scannednever seen before
- 07584c357e578a34360e…c34410Never scannednever seen before
- d3044c1390620a488fef…e32498Never 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
- 30 / 76engines flagged
- 7sources in submission history
Why these facts are shown
Each statement identifies whether it was directly recorded or derived from saved scan facts.
- 01
1 isolated runtime environment classified the observed behavior as malicious.
Verdict inputView chapterProvenanceObservedSourceIsolated runtime analysisObserved at - 02
1 high-confidence signature or behavior rule matched this file.
Verdict inputView chapterProvenanceDerivedSourceSignature and behavior rulesObserved at - 03
30 of 76 antivirus engines flagged the file, including Alibaba and alibabacloud.
Verdict inputView chapterProvenanceObservedSourceAntivirus analysisObserved at - 04
Scanned file: Obekräftade 616893.crdownload — ca5a3bb37d1bf7353bca67a407f0cc73b8672e66d85ad00afff953c830907480
ProvenanceObservedSourceUploaded fileObserved at - 05
Observed process — "C:\Windows\system32\cmd.exe" /c "cd ^"C:\Users\<USER>\AppData\Local\Temp^" && start /wait ^"^" ^"C:\Users\<USER>\AppData\Local\Temp\fake-virus-main/boom.bat^"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 06
Observed process — C:\Windows\system32\cmd.exe /K "C:\Users\<USER>\AppData\Local\Temp\fake-virus-main/boom.bat
ProvenanceObservedSourceIsolated runtime analysisObserved at - 07
File written: getadmin.vbs — C:\Users\<USER>\AppData\Local\Temp\getadmin.vbs
ProvenanceObservedSourceIsolated runtime analysisObserved at - 08
File written: sleep5000.vbs — C:\Users\<USER>\AppData\Local\Temp\sleep5000.vbs
ProvenanceObservedSourceIsolated runtime analysisObserved at - 09
Contacted host: 74.125.69.94 — Contact observed during runtime.
ProvenanceObservedSourceIsolated runtime analysisObserved at
Detection sources at a glance
Category: generic-trojan
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:\Windows\system32\cmd.exe" /c "cd ^"C:\Users\<USER>\AppData\Local\Temp^" && start /wait ^"^" ^"C:\Users\<USER>\AppData\Local\Temp\fake-virus-main/boom.bat^"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.
Evidence74.125.69.94
30 of 76 engines flagged this file
View all 76 engine results
PE structure
Not applicablePE structure analysis applies to Windows executable formats, not this file type.
How widely this file has been seen
Moderate prevalence — neither rare nor common. No strong prior applies.
Fingerprint and provenance
- File name
- Obekräftade 616893.crdownload
- Format
- ZIP
- Code signing
- Not applicable to this file type
- Size
- 4.6 KB
- Last analyzed
- Sep 25, 2026, 1:47 PM UTC
ca5a3bb37d1bf7353bca67a407f0cc73b8672e66d85ad00afff953c830907480Safety & 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 open or extract this archive. Delete this archive from the device, then empty the Recycle Bin or Trash.
- Recovery step 02
If you already opened or extracted 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
From a different, clean device, change the passwords on your important accounts (email and banking first) and turn on two-factor authentication.
- Recovery step 04
Get a fresh copy from the original trusted source and verify its exact hash when possible.
Safety FAQ
Direct answers grounded in the saved verdict and evidence in this report.
Is Obekräftade 616893.crdownload malware?
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Community
Member reviews and reports for this exact file hash.