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Verdict Suspicious

Analyzed , 6 months ago

Is AiDefend.exe safe? Treat it as suspicious.

Six of the 72 antivirus engines that checked it flagged this unsigned executable, but no major antivirus engines detected it and the conflicting labels lack behavioral or family…

Read the whole reasonShow less

Why Suspicious? 6 antivirus engines flag it, but no major engine agrees; nothing else confirms it.

Limited evidence · One sign points to a problem; nothing else confirms it.

Don't run it until you know where it came from

If it came from a link, an attachment or a stranger, delete it.

What to do now4 steps

Some signs point to a problem, but nothing confirms it is harmful. Treat it with caution.

What to do

  1. Don't run it unless you're sure where it came from.

  2. Check where you got it: an unexpected attachment, a link someone sent you or a re-upload is a red flag.

  3. If you can't confirm where it came from, delete it. If you need the program, download it again from the publisher's own website.

If you already ran it

  1. Stop using it, run a full scan with your antivirus and watch for unexpected behavior or security alerts.

Not sure what to do?

Ask the MalwareTips community before you run it. If you already ran it, follow the cleanup guide.

Paste this report's link in your topic so helpers can see what was found.

Why we think so

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AiDefend.exe: Suspicious — MalwareTips file scan

The link always shows the latest result for this exact file (its SHA-256 fingerprint).

Reads the latest antivirus results for this file's hash. Nothing is uploaded.

Antivirus results

6 of 72 flagged

  • Flagged 6
  • No detection 66
  • No result 4
FileAiDefend.exe4.6 MBSHA-256 d6a0a37ba8d0…5f916b
  • Code signing Unsigned
  • Test run Not run
  • First seen 6mo ago
6 of the 72 antivirus engines that checked it flag it, including Huorong and Kingsoft.

Community members disagree: 2 say this is a false positive. MalwareTips staff have not confirmed this. Read their report

Chapter 02

Why we think so

3 points against it and 3 in its favour, checked against the scan evidence.

MT AI Engine · Verdict analysis

The reasoning behind this verdict

Analyst conclusion

Six of the 72 antivirus engines that checked it raised alerts, including two file-coder labels, but none of the major antivirus engines detected the executable and the reported families conflict. Because it is unsigned and no runtime or static inspection is available to resolve those signals, avoid running it until its origin can be verified.

Where this verdict could be wrong2 caveats
  • All 18 major antivirus engines that reported results were clean, including Avast, BitDefender, ESET-NOD32, Fortinet, and Kaspersky.
  • Four of the six detections came from less reliable engines, and the remaining two smaller labels disagree about whether the file resembles ransomware or a mining worm.

These are the assessment's weak points. If you believe one applies to your file, report the verdict and we'll re-review it.

6 sources checked · 4 complete · 1 not run · 1 not needed or not applicable. See every source

Chapter 03

Technical details

6 of the 72 antivirus engines that checked it flag it; no publisher signature.

Sources checked

Every check behind this verdict

6 sources checked · 4 complete · 1 not run · 1 not needed or not applicable. Complete means the check returned a usable result; it does not mean the file is safe.

SourceStatusResultChecked
Antivirus enginesVirusTotal · 76 enginesCompleteRisk signal: 6 of 72 engines flagged it · 4 gave no result Details for antivirus engines
Sandbox runVirusTotal sandboxesNot runNo sandbox run is recorded for this fileNo date recorded
Contacted hostsMalwareTips URL scannerNot neededNo sandbox run, so there were no contacted hosts to checkNo date recorded
Signature rulesYARAify community rules + MalwareTips rulesCompleteNo rule matched
Malware sample databaseabuse.ch MalwareBazaarCompleteNot listed
Known-software referenceCIRCL hashlookupCompleteNo match

Engines that flagged it 6

  • alibabacloudTrojan:Win/Lakaboy.LY
  • APEXMalicious
  • huorongRansom/Filecoder.c
  • KingsoftWin32.Worm.WannaMine.i
  • Paloaltogeneric.ml
  • RisingRansom.Filecoder!8.1BA3F (CLOUD)

File fingerprint

Last analyzed
Apr 22, 2026, 7:47 PM UTC
SHA-256
d6a0a37ba8d07bbca3606c1ef06dea7f7b49b88c51f46bccfd7d33f3295f916b
SHA-1
f1594b9a646b7b7b4af1f3cfac6e87d92627a4ac
MD5
995a85d89832468412be2def7ea21951

About this file

AiDefend.exe is a Win32 EXE file of 4.6 MB.

Type and size
Win32 EXE · 4.6 MB
Signer
UnsignedNo code signature.
First seen
Mar 31, 2026On VirusTotal.

First scanned Updated

Verdict history

  1. Malicious
  2. Suspiciousafter a re-check of the saved evidence

Ratings change when antivirus engines, our checks or MalwareTips staff learn more about a file.

Chapter 04

Questions & answers

Short answers to the 6 questions people ask most about this file.

Is AiDefend.exe safe, or is it malware?
AiDefend.exe is rated Suspicious: some signs point to a problem, but nothing confirms it is harmful. 6 of the 72 antivirus engines that checked it flag it. Don't run it unless you're sure where it came from. If you need the program, download it again from the publisher's own website.
What is AiDefend.exe?
AiDefend.exe is a Windows program, about 4.6 MB. It carries no version information saying what it is or who made it. VirusTotal first saw it on Mar 31, 2026.
How many antivirus engines detected AiDefend.exe?
6 of the 72 antivirus engines that checked it flag AiDefend.exe, including Huorong and Kingsoft. We weigh which engines flagged it and what else the scan found, not just the count.
What should I do if I already ran AiDefend.exe?
No infection is confirmed: the rating is a caution, not a malware finding. 1) Check where it came from. If you can't confirm the source, delete it. 2) Run a full scan with your security software. 3) If the scan finds something, follow its removal steps and change passwords you typed on the device since then.
What is the SHA-256 hash of AiDefend.exe?
The SHA-256 fingerprint of AiDefend.exe is d6a0a37ba8d07bbca3606c1ef06dea7f7b49b88c51f46bccfd7d33f3295f916b, and its MD5 is 995a85d89832468412be2def7ea21951. Two files with the same SHA-256 are identical, so use it to check you have exactly this file, not just one with the same name.
How up to date is this analysis of AiDefend.exe?
This report reflects the scan on Apr 22, 2026. A file's fingerprint never changes, but antivirus engines keep learning, so a rating can change later. To get a newer result, scan the file again: we refresh the antivirus results when the saved ones are out of date.
Chapter 06

Community

Member reviews and reports for this exact file hash.

Scanned by
JackStaff

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This report and its SHA-256 fingerprint are public, so the next person who checks the same file gets an instant answer; documents and images are listed by type instead of their file name. A file we had not seen before is uploaded to VirusTotal, whose security partners and subscribers can download it; MalwareTips deletes its own copy after the scan. If you ran this file and are worried, scan your device with up-to-date security software.