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Verdict Malicious

Analyzed , 1 month ago

Is rzr-gt42.rar safe? No, we rate this exact file malicious.

RAR archive contains a confirmed crack tool that injects processes and tampers with defenses.

Strong evidence · Two or more major antivirus engines agree.

Remove it unless you use it on purpose

Delete the file and avoid any crack or keygen utilities; they are reliably flagged as hacking tools and carry legal and security risks.

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 open or extract it unless you got it on purpose for security testing on systems you own. Delete the archive and any files you extracted from it, then empty the Recycle Bin or Trash.

  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 opened or extracted 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

rzr-gt42.rar: 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

22 of 64 flagged

  • Flagged 22
  • No detection 42
  • No result 12
Filerzr-gt42.rar272.3 kBSHA-256 63b6b2591ac0…336ef4
  • Code signing Not applicable
  • Test run Completed
  • First seen 17y ago
22 of the 64 antivirus engines that checked it flag it, including ESET and Malwarebytes.

Chapter 02

Why we think so

2 points against it and 0 in its favour, checked against the scan evidence.

MT AI Engine · Verdict analysis

The reasoning behind this verdict

Analyst conclusion

22 of the 64 antivirus engines that checked it flag the sample, three of them major, agreeing on a crack/hacking tool label.

Where this verdict could be wrong1 caveat
  • No contacted-host reputation result was saved — no complete host-reputation cross-check available

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
  • 13sandbox rule tags
  • 6spawned processes
  • 0network contacts
  • 25filesystem & 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: Checked whether it was running on a test computer.

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

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

  • Note: Loaded extra code modules while running.

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 recording keystrokes; no keylogging was confirmed.

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

  • 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.

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 5: FileSeen in the test run

      rzr-gt42.rar

      63b6b2591ac01de01ea1b91af8070164cbda82bd103c8aa639c164470c336ef4

      Uploaded file

  2. Processes

    What ran

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

      LaunchGTAIV.exe

      "C:\Users\<USER>\AppData\Local\Temp\LaunchGTAIV.exe"

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

      rundll32.exe

      "C:\Windows\system32\rundll32.exe" "C:\Users\<USER>\AppData\Local\Temp\1911.dll",#1

      Test run
    3. +1 more recorded observation

  3. Files

    Created or changed

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

      Temp

      C:\ProgramData\Microsoft\Windows\WER\Temp

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

      70c0044b-dc11-4966-9e30-ed9795982210

      C:\ProgramData\Microsoft\Windows\WER\Temp\70c0044b-dc11-4966-9e30-ed9795982210

      Test run
    3. +1 more recorded observation

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

Chapter 04

Technical details

22 of the 64 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 · 76 enginesCompleteRisk signal: 22 of 64 engines flagged it · 12 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 22

  • ESET-NOD32 (major engine)Win32/HackTool.Crack.BC potentially unsafe application
  • Fortinet (major engine)Riskware/Crack.BC!tr
  • Sophos (major engine)Mal/Behav-428
  • TrellixENS (major engine)Artemis!16762704BADD
  • alibabacloudHackTool:Win/Crack.BC
  • Antiy-AVLHackTool/Win32.Crack
  • CAT-QuickHealTrojan.Ghanarava.175635067300a0bd
  • CTXrar.trojan.crack
14 more in the full engine list

File fingerprint

Last analyzed
Aug 31, 2026, 12:23 AM UTC
SHA-256
63b6b2591ac01de01ea1b91af8070164cbda82bd103c8aa639c164470c336ef4
SHA-1
98728c2b6b9e03f5f66ccfec9fdc6d336d67cb64
MD5
16762704badd0135e3cc758a518bbf27

About this file

rzr-gt42.rar is an RAR file of 272.3 kB.

Type and size
RAR · 272.3 kB
Signer
Not applicable
First seen
Jan 30, 2009On VirusTotal.
Submitted by
39 distinct sources

First scanned

Chapter 05

Questions & answers

Short answers to the 8 questions people ask most about this file.

Is rzr-gt42.rar malware?
rzr-gt42.rar 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 the archive and any files you extracted from it, then empty the Recycle Bin or Trash. 22 of the 64 antivirus engines that checked it flag it.
What is rzr-gt42.rar?
rzr-gt42.rar is a RAR archive, about 272.3 kB. VirusTotal first saw it on Jan 30, 2009.
How many antivirus engines detected rzr-gt42.rar?
22 of the 64 antivirus engines that checked it flag rzr-gt42.rar, including ESET and Malwarebytes. 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.
I already downloaded and opened or extracted rzr-gt42.rar — what should I do?
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 rzr-gt42.rar?
Delete the archive and any files you extracted from it, then empty the Recycle Bin or Trash. If you ran anything that was inside it, run a full scan with your antivirus.
What kind of program is rzr-gt42.rar?
Antivirus engines classify rzr-gt42.rar as a hacking tool: a program that can switch off security software, test passwords or attack other computers.
What is the SHA-256 hash of rzr-gt42.rar?
The SHA-256 fingerprint of rzr-gt42.rar is 63b6b2591ac01de01ea1b91af8070164cbda82bd103c8aa639c164470c336ef4, and its MD5 is 16762704badd0135e3cc758a518bbf27. 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 rzr-gt42.rar?
This report reflects the scan on Aug 31, 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.

Related file reports

Recent reports on other files with the same rating.

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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.