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Verdict Malicious

Analyzed , 1 month ago

Is sims-4-updater-v2.6.6.exe safe? No, we rate this exact file malicious.

6 of the 70 antivirus engines that checked it flag the file, including Microsoft major detection HackTool:Win64/Malgent!MSR.

Read the whole reasonShow less

Moderate evidence · Several antivirus engines agree.

Remove it unless you use it on purpose

Treat as malicious; delete the file and scan the system for any persistence mechanisms left behind.

What to do now4 steps

This is a hacking tool. It is risky to keep and run, but finding it is not by itself a sign that the device is infected.

What to do

  1. Don't run it unless you got it on purpose for security testing on systems you own. Delete it, then empty the Recycle Bin.

  2. If you didn't put it on the device yourself, delete it and run a full antivirus scan: something else may have brought it.

  3. Tools like this often come with cracked or pirated software. If it came that way, treat the whole download as unsafe and scan everything it installed.

If you already ran it

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

If you opened or installed it

Avoid banking and sign-ins on that device until it is clean. These free MalwareTips guides walk you through it.

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-v2.6.6.exe: Malicious — 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 70 flagged

  • Flagged 6
  • No detection 64
  • No result 5
Filesims-4-updater-v2.6.6.exe26.4 MBSHA-256 59a6741c57b7…b79c61
  • Code signing Signer not verified
  • Test run Completed
  • First seen 2mo ago
When we scanned it, 1,312 sources had submitted it to VirusTotal (1,596 submissions).

Chapter 02

Why we think so

3 points against it and 2 in its favour, checked against the scan evidence.

MT AI Engine · Verdict analysis

The reasoning behind this verdict

Analyst conclusion

The signer 'Sims4Updater' has no prior reputation and the import-table fingerprint matches prior suspicious samples.

Where this verdict could be wrong1 caveat
  • The file is widely seen but new with 1312 submitters may indicate legitimate distribution despite offensive techniques.

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 partial. 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
  • 18sandbox rule tags
  • 4spawned processes
  • 1network contact
  • 31filesystem & mutex artifacts

What the test run showed

What the file did on a test computer

Confirmed in the test run

  • Moderate concern: Contains packed or scrambled code that is harder to inspect (common in installers too).

  • Moderate concern: Ran commands or a script on the test computer.

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

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

  • Note: Listed the programs running on the test computer.

  • Note: Deleted files or logs during the test run (installers often clean up after themselves).

  • Note: Talked to servers over the internet during the test run.

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: Showed activity a sandbox rule links to file encryption; no ransomware behaviour was confirmed.

  • Not confirmed: A sandbox rule tagged this run as changing how Windows loads code; nothing confirms it.

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.

Threat context

How hacking tools are used

Hacking tools are programs that can switch off security software, test passwords or attack other computers. Security professionals use them on purpose; criminals also bundle them with malware.

Bottom line:Keep it only if you installed it on purpose, and check how it got onto the device if you didn't.

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 6: FileSeen in the test run

      sims-4-updater-v2.6.6.exe

      59a6741c57b772f49721af8eb99a60aee6a9c5c79ede8f831f08711926b79c61

      Uploaded file

  2. Processes

    What ran

    2
    1. Evidence 2 of 6: ProcessSeen in the test run

      sims-4-updater-v2.6.6.exe

      "C:\Users\<USER>\Desktop\sims-4-updater-v2.6.6.exe"

      Test run
    2. Evidence 3 of 6: 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 6: Written fileSeen in the test run

      81d243bd2c585b0f4821__mypyc.cp313-win_amd64.pyd

      C:\Users\<USER>\AppData\Local\Temp\_MEI55122\81d243bd2c585b0f4821__mypyc.cp313-win_amd64.pyd

      Test run
    2. Evidence 5 of 6: Written fileSeen in the test run

      VCRUNTIME140.dll

      C:\Users\<USER>\AppData\Local\Temp\_MEI55122\VCRUNTIME140.dll

      Test run
    3. +1 more recorded observation

  4. Network

    Hosts contacted

    1
    1. Evidence 6 of 6: Contacted hostSeen in the test run

      185.199.111.133

      Contacted during the test run.

      Test run

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

Chapter 04

Technical details

6 of the 70 antivirus engines that checked it flag it; a signature that did not verify.

Sources checked

Every check behind this verdict

6 sources checked · 5 complete · 1 partial. Complete means the check returned a usable result; it does not mean the file is safe.

SourceStatusResultChecked
Antivirus enginesVirusTotal · 75 enginesCompleteRisk signal: 6 of 70 engines flagged it · 5 gave no result Details for antivirus engines
Sandbox runVirusTotal sandboxesCompleteRuntime behaviour was recorded Details for sandbox run
Contacted hostsMalwareTips URL scannerPartial1 host contacted in the test run had no completed reputation check Details for contacted hosts
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 6

  • Microsoft (major engine)HackTool:Win64/Malgent!MSR
  • APEXMalicious
  • BkavW32.Malware.BEF1E5FF
  • DeepInstinctMALICIOUS
  • GridinsoftHack.Win64.Malgent.bot
  • WebrootW32.Hack.Tool

File fingerprint

Last analyzed
Sep 4, 2026, 3:57 PM UTC
SHA-256
59a6741c57b772f49721af8eb99a60aee6a9c5c79ede8f831f08711926b79c61
SHA-1
69f89effa114aa11b2e3b2a4e1cd274744c63d2b
MD5
43a952032ce11e598636d930e8fe9dbc

About this file

sims-4-updater-v2.6.6.exe is a Win32 EXE file of 26.4 MB.

Type and size
Win32 EXE · 26.4 MB
Signer
Sims4Updater (unverified signature)Worth noting: Malware sometimes copies or steals a company's signature, so this does not mean that company made it.
First seen
Aug 5, 2026On VirusTotal.
Submitted by
1,312 distinct sources
Packer
None detected
Entropy
8.00 of 8

First scanned Updated

Chapter 05

Questions & answers

Short answers to the 9 questions people ask most about this file.

Is sims-4-updater-v2.6.6.exe a virus?
sims-4-updater-v2.6.6.exe is a hacking tool. It is flagged because it can be misused, not because it infects a device by itself. Keep it only if you use it on purpose; otherwise, delete it, then empty the Recycle Bin. 6 of the 70 antivirus engines that checked it flag it.
What is sims-4-updater-v2.6.6.exe?
sims-4-updater-v2.6.6.exe is a Windows program, about 26.4 MB. It carries no version information saying what it is or who made it. VirusTotal first saw it on Aug 5, 2026.
How many antivirus engines detected sims-4-updater-v2.6.6.exe?
6 of the 70 antivirus engines that checked it flag sims-4-updater-v2.6.6.exe, including Microsoft and Deep Instinct. We weigh which engines flagged it and what else the scan found, not just the count. The rating comes from all the evidence together, not from this count alone.
What should I do if I already ran sims-4-updater-v2.6.6.exe?
1) If you ran it on purpose, for testing on systems you own, remove it when you are done. 2) If you didn't download it yourself, delete it and run a full antivirus scan: something else may have brought it. 3) If it came with cracked or pirated software, treat that whole download as unsafe, scan everything it installed and change passwords you typed on the device since.
How do I remove sims-4-updater-v2.6.6.exe?
To remove sims-4-updater-v2.6.6.exe: 1) Delete it, then empty the Recycle Bin. 2) Run a full scan with your antivirus to check that nothing else came with it. 3) Check Settings > Apps and your startup apps for anything you don't recognise.
What kind of program is sims-4-updater-v2.6.6.exe?
Antivirus engines classify sims-4-updater-v2.6.6.exe as a hacking tool: a program that can switch off security software, test passwords or attack other computers.
Is sims-4-updater-v2.6.6.exe digitally signed?
It carries a signature in the name of Sims4Updater that could not be verified. Malware sometimes copies or steals a company's signature, so this does not mean that company made it.
What is the SHA-256 hash of sims-4-updater-v2.6.6.exe?
The SHA-256 fingerprint of sims-4-updater-v2.6.6.exe is 59a6741c57b772f49721af8eb99a60aee6a9c5c79ede8f831f08711926b79c61, and its MD5 is 43a952032ce11e598636d930e8fe9dbc. 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-v2.6.6.exe?
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.