Is Roblox_External.exe safe?
Forty-two of 75 engines flagged this unsigned executable, including nine tier-1 detections naming Cerbu, MalwareX, GenKryptik, Kepavll, and other trojan families.
The evidence strongly indicates a trojan-like executable: 42 of 75 engines detected it, including nine high-trust engines. Although one sandbox run did not issue a malware verdict, the broad engine agreement, absent signature, and observed T1560 technique make execution unsafe.
ad13dbafefb921ac52…361f44e2deb839Recommended 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.
The evidence strongly indicates a trojan-like executable: 42 of 75 engines detected it, including nine high-trust engines. Although one sandbox run did not issue a malware verdict, the broad engine agreement, absent signature, and observed T1560 technique make execution unsafe.
A broad 42 of 75 engines flagged the sample, and nine independent high-trust detections make an isolated false positive highly unlikely. BitDefender, Emsisoft, and GData used the Cerbu label, while Microsoft, ESET-NOD32, and others identified different trojan or crypted-malware families. The Windows executable is unsigned and has no established signer history. One sandbox run observed T1560 and direct-IP traffic, but it did not produce a malware verdict. No complete reputation check is available for the contacted IP because the contacted-host block is missing, and the exact family attribution remains less certain than the overall malware finding.
What We Detected
Forty-two of 75 antivirus engines flagged the executable, including nine tier-1 detections. BitDefender, Emsisoft, and GData named Cerbu; Avira and F-Secure named MalwareX; ESET-NOD32 reported GenKryptik; and Microsoft reported Kepavll. The labels vary, but they consistently describe trojan or crypted-malware activity rather than a lone heuristic alert.
Threat Behavior
One completed sandbox run observed MITRE technique T1560 and a direct connection to 162.159.36.2. That run did not issue a malware verdict, and no complete host-reputation result is available for the contacted IP. The executable is unsigned, has no established publisher history, and produced no dropped child hashes in the available observation.
What To Do Now
Do not run the file. Keep endpoint protection enabled, quarantine or delete the executable, and run a full system scan if it was opened. If it executed, review account sessions and credentials associated with Roblox or other services used on the affected computer.
Where this verdict could be wrong4 caveats
- The sole completed sandbox run produced a clean verdict and behaviour.hasMaliciousSandboxVerdict=false.
- externalIntel.yaraify.ruleCount=0 and externalIntel.malwareBazaar.hit=false, although absent matches may reflect coverage gaps.
- peAnalysis.highEntropyCode=false and peAnalysis.likelyPacked=false provide no static packing indicator.
- The contacted IP 162.159.36.2 was not reputation-checked because contactedHosts=null.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- The single sandbox run did not issue a malware verdict
- No dropped child payload was recorded
- peAnalysis.highEntropyCode=false and peAnalysis.likelyPacked=false
- YARAify returned zero matching rules
- 42/75 antivirus engines reported malicious results
- Nine tier-1 engine detections
- Cerbu, MalwareX, GenKryptik, and Kepavll trojan-family labels
- Unsigned Windows executable with no signer history
- MITRE T1560 observed during runtime analysis
- Direct-IP contact to 162.159.36.2 without a completed reputation check
Do not execute this file; quarantine or remove it while keeping endpoint protection enabled. If it already ran, perform a full scan and secure accounts accessed from the system.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete42 of 75 engines flagged the file.
Sandbox
Complete1 isolated runtime environment contributed observations.
Network
Partial1 runtime contact was observed without a completed reputation cross-check.
YARA
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
- 4MITRE ATT&CK techniques
- 1spawned processes
- 1network contacts
- 0filesystem & 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: Communicated over a common application protocol; malware can use this for command-and-control.
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
Roblox_External.exe
ad13dbafefb921ac52f40c1667c722ff96468221edb1470b2a361f44e2deb839
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Users\user\Desktop\Roblox_External.exe"
02Isolated runtime analysis
Network
Hosts contacted
- Contacted hostObserved
162.159.36.2
Contact observed during runtime.
03Isolated runtime analysis
3 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.
- 162.159.36.2
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
- 42 / 75engines flagged
- 30sources in submission history
Why these facts are shown
Each statement identifies whether it was directly recorded or derived from saved scan facts.
- 01
42 of 75 antivirus engines flagged the file, including AhnLab-V3 and Alibaba.
Verdict inputView chapterProvenanceObservedSourceAntivirus analysisObserved at - 02
The hash has been submitted 37 times from 30 sources.
ProvenanceDerivedSourceSaved report factsObserved at - 03
Scanned file: Roblox_External.exe — ad13dbafefb921ac52f40c1667c722ff96468221edb1470b2a361f44e2deb839
ProvenanceObservedSourceUploaded fileObserved at - 04
Observed process — "C:\Users\user\Desktop\Roblox_External.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 05
Contacted host: 162.159.36.2 — 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
Low-severity pattern matches — worth noting but not on their own cause for alarm.
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.
Evidence162.159.36.2
42 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
- Roblox_External.exe
- Format
- Win32 EXE
- Code signing
- No verified publisher
- Size
- 14.6 MB
- Last analyzed
- Sep 30, 2026, 10:45 PM UTC
ad13dbafefb921ac52f40c1667c722ff96468221edb1470b2a361f44e2deb839Safety & 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 Roblox_External.exe malware?
What is Roblox_External.exe?
How many antivirus engines detected Roblox_External.exe?
I already downloaded and ran Roblox_External.exe — what should I do?
How do I remove Roblox_External.exe?
What kind of malware is Roblox_External.exe?
What is the SHA-256 hash of Roblox_External.exe?
How up to date is this analysis of Roblox_External.exe?
Community
Member reviews and reports for this exact file hash.