Is 3DF Zephyr.exe safe?
Confirmed hacktool-loader labeling, eight tier-1 detections, and an unsigned packed executable strongly outweigh the limited sandbox run that captured no overt offensive activity.
The file was flagged by 25 of 75 engines, including eight tier-1 engines, with corroborated HackTool.Loader labeling. It is also unsigned and packed with high-entropy code; although one sandbox run did not capture overtly harmful activity, the confirmed hacktool signal warrants blocking and removal.
7f500b76952c981c03…ea283f57773730Recommended 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 file was flagged by 25 of 75 engines, including eight tier-1 engines, with corroborated HackTool.Loader labeling. It is also unsigned and packed with high-entropy code; although one sandbox run did not capture overtly harmful activity, the confirmed hacktool signal warrants blocking and removal.
A substantial 25 of 75 engines detected the executable, including eight tier-1 engines. ESET-NOD32 identified a HackTool.Loader variant, while several other engines independently applied hacktool or loader labels, satisfying the corroboration requirement for offensive tooling. The executable is unsigned and appears packed, with a UPX1 section entropy of 7.82, increasing concern that its code is intentionally obscured. One completed sandbox run recorded only common techniques and no malicious runtime verdict, but a single limited observation cannot outweigh the confirmed multi-engine hacktool evidence. No malicious child was identified, and no complete contacted-host reputation result is available.
What We Detected
25 of 75 antivirus engines flagged this Windows executable. Eight tier-1 engines detected it, including ESET-NOD32 as Win64/HackTool.Loader.B, DrWeb as Trojan.Loader.3015, Microsoft as Trojan:Win32/Phonzy.A!ml, and Tencent as Trojan.Win32.Loader.16003911. Multiple independent hacktool and loader labels meet the corroboration threshold for offensive tooling.
Threat Behavior
The executable is unsigned and peAnalysis.likelyPacked=true. Its UPX1 section has entropy 7.82, consistent with compressed or obfuscated code. One sandbox run observed T1027, T1027.002, and T1083 but produced no malicious runtime verdict or identified malicious child. No complete host-reputation result is available because contacted-host checking was not saved.
What To Do Now
Do not run the file. Quarantine or delete it while keeping endpoint protection enabled, and obtain 3DF Zephyr only from its official publisher or an authenticated deployment source. If it already ran, perform a full endpoint scan and review recent processes, persistence locations, and credentials used on the system.
Where this verdict could be wrong4 caveats
- behaviour.hasMaliciousSandboxVerdict=false and behaviour.offensiveCount=0 in one sandbox run, so overtly harmful runtime activity was not captured.
- 8 tier-1 engines reported no detection, including BitDefender, Emsisoft, Fortinet, and GData.
- externalIntel.yaraify.ruleCount=0, externalIntel.circl.hit=false, and externalIntel.malwareBazaar.hit=false provide no researcher-curated corroboration.
- engines.tier1FamilyConsensus.strong=false; only two tier-1 engines converged on the loader family.
These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.
- One sandbox run produced no malicious verdict
- behaviour.offensiveCount=0
- No identified malicious dropped child
- No CIRCL, MalwareBazaar, or YARAify hit
- No brand mismatch detected
- 25/75 antivirus-engine detections
- Eight tier-1 engines detected the executable
- engines.hacktoolConfirmed=true
- Unsigned Windows executable
- peAnalysis.likelyPacked=true with high-entropy code
- Loader and trojan labels from multiple independent engines
Quarantine or remove the executable and keep endpoint protection enabled. If execution occurred, run a full system scan and investigate recent process, persistence, and account activity.
Coverage & freshness
Complete means the check returned a usable result. It does not mean the file is safe.
Antivirus
Complete25 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
- 3MITRE ATT&CK techniques
- 1spawned processes
- 0network contacts
- 1filesystem & 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: 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 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
3DF Zephyr.exe
7f500b76952c981c0348b9e180b570530e56cc03c18c134c38ea283f57773730
01Uploaded file
Processes
Runtime execution
- ProcessObserved
Observed process
"C:\Users\user\Desktop\3DF Zephyr.exe"
02Isolated runtime analysis
Files
Created or changed
- Written fileObserved
Caches
C:\Users\user\AppData\Local\Microsoft\Windows\Caches
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.
- C:\Users\user\AppData\Local\Microsoft\Windows\Caches
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
- 25 / 75engines flagged
- 8sources in submission history
Why these facts are shown
Each statement identifies whether it was directly recorded or derived from saved scan facts.
- 01
25 of 75 antivirus engines flagged the file, including AhnLab-V3 and alibabacloud.
Verdict inputView chapterProvenanceObservedSourceAntivirus analysisObserved at - 02
The hash has been submitted 11 times from 8 sources.
ProvenanceDerivedSourceSaved report factsObserved at - 03
Scanned file: 3DF Zephyr.exe — 7f500b76952c981c0348b9e180b570530e56cc03c18c134c38ea283f57773730
ProvenanceObservedSourceUploaded fileObserved at - 04
Observed process — "C:\Users\user\Desktop\3DF Zephyr.exe"
ProvenanceObservedSourceIsolated runtime analysisObserved at - 05
File written: Caches — C:\Users\user\AppData\Local\Microsoft\Windows\Caches
ProvenanceObservedSourceIsolated runtime analysisObserved at
Detection sources at a glance
Category: hacktool
MalwareBazaar, YARAify, and CIRCL hashlookup completed and returned no entries for this hash.
Signatures and behavior heuristics
Behavioral heuristics matched patterns associated with malware. Corroborating evidence determines how much weight they carry.
PE is packed (high-entropy code or known packer) AND unsigned AND at least one engine flagged it. Packing alone is common in legit software; packing + unsigned + signal is the malware-dropper pattern.
Evidencehigh-entropy code section
25 of 75 engines flagged this file
View all 75 engine results
Section entropy & packers
Executable sections have high entropy (7.2+) — the code is compressed or encrypted and only decrypted at runtime. Classic packing behaviour.
How widely this file has been seen
Moderate prevalence — neither rare nor common. No strong prior applies.
Fingerprint and provenance
- File name
- 3DF Zephyr.exe
- Format
- Win32 EXE
- Code signing
- No verified publisher
- Size
- 152.0 KB
- Last analyzed
- Sep 20, 2026, 11:08 AM UTC
7f500b76952c981c0348b9e180b570530e56cc03c18c134c38ea283f57773730Safety & 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 3DF Zephyr.exe malware?
What is 3DF Zephyr.exe?
How many antivirus engines detected 3DF Zephyr.exe?
I already downloaded and ran 3DF Zephyr.exe — what should I do?
How do I remove 3DF Zephyr.exe?
What kind of malware is 3DF Zephyr.exe?
What is the SHA-256 hash of 3DF Zephyr.exe?
How up to date is this analysis of 3DF Zephyr.exe?
Community
Member reviews and reports for this exact file hash.