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Verdict Suspicious

Analyzed , 1 month ago

Is sims-4-updater-v2.6.4 (1).zip safe? Treat it as suspicious.

No major consensus or malicious files it created exist, leaving the file in mixed-signal territory.

Why Suspicious? 3 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 open or extract it until you know where it came from

Treat the archive as untrusted; do not execute the contained executable until further independent verification is obtained.

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 open or extract 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 opened or extracted 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

Share this file report

sims-4-updater-v2.6.4 (1).zip: 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

3 of 66 flagged

  • Flagged 3
  • No detection 63
  • No result 9
Filesims-4-updater-v2.6.4 (1).zip26.3 MBSHA-256 d13171b317af…a464ca
  • Code signing Not applicable
  • Test run Completed
  • First seen 3mo ago
3 of the 66 antivirus engines that checked it flag it, including Zillya and Bkav.

Chapter 02

Why we think so

2 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

The file is a 26 MB ZIP that extracts a PyInstaller-built executable. No major antivirus engines agreed on any family, no file it created was malicious, and external-intel sources returned no hits. Medium prevalence and the absence of a complete host-reputation check keep the sample in the suspicious band.

Where this verdict could be wrong1 caveat
  • Zillya labels the sample Backdoor.XWorm.Win32.3294, but no major antivirus engines corroborates the XWorm 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.

6 sources checked · 5 complete · 1 not needed or not applicable. See every source

Chapter 03

What it did in our test

It ran in our isolated test environment; no test environment rated what it did as risky.

Test run summary

Capture complete
  • 11sandbox rule tags
  • 5spawned processes
  • 0network contacts
  • 17filesystem & mutex artifacts

What the test run showed

What the file did on a test computer

Confirmed in the test run

  • Moderate concern: Checked whether it was running on a test computer.

  • Note: Read the user name of the test computer.

  • Note: Read basic details of the test computer, such as its Windows version.

  • Note: Looked through folders on the test computer (most installers do this).

Sandbox labels we could not confirm (common in safe files too)

  • Not confirmed: A sandbox rule tagged this run as code injection, but no injected program was recorded.

  • Not confirmed: A sandbox rule tagged this run as contacting a server, but no contacted host was recorded.

  • Not confirmed: Showed activity a sandbox rule links to file encryption; no ransomware behaviour was confirmed.

  • Not confirmed: A sandbox rule tagged this run as weakening security settings; no setting change was recorded.

This file was run on a test computer (a sandbox), not on yours. Labels we could not confirm are listed so you can see them, but they are not treated as evidence against the file.

Recorded behavior

What happened in the test

Grouped by step. The order is not a timeline.

Seen in the test runWorked out from other results

  1. Input file

    The submitted object

    1
    1. Evidence 1 of 5: FileSeen in the test run

      sims-4-updater-v2.6.4 (1).zip

      d13171b317af3ee1112a569b1a7419df4464adbe12f6a10a3a44ee8835a464ca

      Uploaded file

  2. Processes

    What ran

    2
    1. Evidence 2 of 5: ProcessSeen in the test run

      sims-4-updater-v2.6.4.exe

      "C:\Users\<USER>\AppData\Local\Temp\sims-4-updater-v2.6.4.exe"

      Test run
    2. Evidence 3 of 5: ProcessSeen in the test run

      cmd.exe

      C:\Windows\system32\cmd.exe /c "ver"

      Test run
    3. +1 more recorded observation

  3. Files

    Created or changed

    2
    1. Evidence 4 of 5: Written fileSeen in the test run

      81d243bd2c585b0f4821__mypyc.cp313-win_amd64.pyd

      C:\Users\<USER>\AppData\Local\Temp\_MEI41242\81d243bd2c585b0f4821__mypyc.cp313-win_amd64.pyd

      Test run
    2. Evidence 5 of 5: Written fileSeen in the test run

      VCRUNTIME140.dll

      C:\Users\<USER>\AppData\Local\Temp\_MEI41242\VCRUNTIME140.dll

      Test run
    3. +1 more recorded observation

5 facts from the test run. See the full activity list.

Chapter 04

Technical details

3 of the 66 antivirus engines that checked it flag it.

Sources checked

Every check behind this verdict

6 sources checked · 5 complete · 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 · 75 enginesCompleteRisk signal: 3 of 66 engines flagged it · 9 gave no result Details for antivirus engines
Sandbox runVirusTotal sandboxesCompleteRuntime behaviour was recorded Details for sandbox run
Contacted hostsMalwareTips URL scannerNot neededThe sandbox recorded no contacted hosts to checkNo date recorded
Signature rulesYARAify community rules + MalwareTips rulesComplete1 MalwareTips behaviour rule Details for signature rules
Malware sample databaseabuse.ch MalwareBazaarCompleteNot listed
Known-software referenceCIRCL hashlookupCompleteNo match

Engines that flagged it 3

  • BkavW32.Malware.208B74BE
  • WebrootW32.Hack.Tool
  • ZillyaBackdoor.XWorm.Win32.3294

File fingerprint

Last analyzed
Sep 4, 2026, 7:10 AM UTC
SHA-256
d13171b317af3ee1112a569b1a7419df4464adbe12f6a10a3a44ee8835a464ca
SHA-1
8a85e41b8c0c4dd5febcd0557e43c8a4103857ce
MD5
b9b4345b55703aa502092d7733f5cb2a

About this file

sims-4-updater-v2.6.4 (1).zip is a ZIP file of 26.3 MB.

Type and size
ZIP · 26.3 MB
Signer
Not applicable
First seen
Jul 10, 2026On VirusTotal.
Submitted by
798 distinct sources

First scanned

Chapter 05

Questions & answers

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

Is sims-4-updater-v2.6.4 (1).zip safe, or is it malware?
sims-4-updater-v2.6.4 (1).zip is rated Suspicious: some signs point to a problem, but nothing confirms it is harmful. 3 of the 66 antivirus engines that checked it flag it. Don't open or extract it unless you're sure where it came from. If you need what's inside, download it again from the original website.
What is sims-4-updater-v2.6.4 (1).zip?
sims-4-updater-v2.6.4 (1).zip is a ZIP archive, about 26.3 MB. VirusTotal first saw it on Jul 10, 2026.
How many antivirus engines detected sims-4-updater-v2.6.4 (1).zip?
3 of the 66 antivirus engines that checked it flag sims-4-updater-v2.6.4 (1).zip, including Zillya and Bkav. We weigh which engines flagged it and what else the scan found, not just the count.
What should I do if I already opened or extracted sims-4-updater-v2.6.4 (1).zip?
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 sims-4-updater-v2.6.4 (1).zip?
The SHA-256 fingerprint of sims-4-updater-v2.6.4 (1).zip is d13171b317af3ee1112a569b1a7419df4464adbe12f6a10a3a44ee8835a464ca, and its MD5 is b9b4345b55703aa502092d7733f5cb2a. 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 sims-4-updater-v2.6.4 (1).zip?
This report reflects the scan on Sep 4, 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.

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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.