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Verdict Malicious

Analyzed , 1 month ago

Is BongoCat_1.1.0_x64-setup.exe safe? No, we rate this exact file malicious.

Our analysis identified this file as malicious due to its lack of a digital signature and observed high-risk runtime behaviors.

Read the whole reasonShow less

Moderate evidence · Few antivirus engines flag it; other checks support the rating.

Don't install this file

Delete the file immediately and do not run it. If already executed, perform a full system scan and reset your credentials.

What to do now4 steps

This file is harmful. Don't run it, and remove it.

If you haven't installed it

  1. Don't install this file. Delete it, then empty the Recycle Bin.

If you already installed it

  1. Disconnect the device from the internet, then run a full antivirus scan. Microsoft Defender Offline (Windows Security > Virus & threat protection > Scan options) also finds malware that hides while Windows runs.

  2. If you typed passwords on the device after running it, change them from another device you trust.

  3. If the scan keeps finding it, or the device still acts strangely, scan again with a second-opinion scanner from another company; if that doesn't fix it, back up your personal files and reinstall Windows.

If you already ran it, do these in order.

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

BongoCat_1.1.0_x64-setup.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

1 of 71 flagged

  • Flagged 1
  • No detection 70
  • No result 4
FileBongoCat_1.1.0_x64-setup.exe5.4 MBSHA-256 c83f2963cb38…76a935
  • Code signing Unsigned
  • Test run Completed
  • First seen 6mo ago
1 of the 71 antivirus engines that checked it flags it (Malwarebytes).

Chapter 02

Why we think so

3 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

The file is unsigned and lacks a verified publisher, which is highly unusual for a legitimate software installer. While engine detection is currently low, these behavioral signals are strongly indicative of malicious intent. Similar files sharing this installer framework have consistently been flagged as suspicious in our database.

Where this verdict could be wrong2 caveats
  • Only 1 of the 71 antivirus engines that checked it flagged the file, which could suggest a false positive or a very new, undetected threat.
  • The file has a medium prevalence (335 submissions), which is relatively high for a malicious sample, though this may reflect widespread distribution of a compromised installer.

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
  • 18sandbox rule tags
  • 2spawned processes
  • 0network contacts
  • 22filesystem & 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.

  • Note: Listed the programs running on 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).

  • Note: Loaded extra code modules while running.

  • Note: Checked which security software was installed on the test computer.

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: A sandbox rule tagged this run as setting up auto-start; no auto-start entry 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 trojans work

A trojan pretends to be something useful or harmless so that you run it. Once open, it does its real job in the background, from stealing data to opening a back door or downloading more malware.

Bottom line:The disguise is the whole trick, so a trustworthy-looking name or icon means nothing.

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

      BongoCat_1.1.0_x64-setup.exe

      c83f2963cb38056273aa98731704c8da650a4bb5bebe4262b4887ba2db76a935

      Uploaded file

  2. Processes

    What ran

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

      BongoCat_1.1.0_x64-setup.exe

      "C:\Users\<USER>\Desktop\BongoCat_1.1.0_x64-setup.exe"

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

      software.exe

      "C:\Users\user\Desktop\software.exe"

      Test run
    3. +1 more recorded observation

  3. Files

    Created or changed

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

      nspBD94.tmp

      C:\Users\<USER>\AppData\Local\Temp\nspBD94.tmp

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

      LangDLL.dll

      C:\Users\<USER>\AppData\Local\Temp\nseBDA4.tmp\LangDLL.dll

      Test run
    3. +1 more recorded observation

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

Chapter 04

Technical details

1 of the 71 antivirus engines that checked it flags it; no publisher signature.

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 enginesCompleteWorth noting: 1 of 71 engines flagged it · 4 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 1

  • MalwarebytesMalware.AI.4058616313

File fingerprint

Last analyzed
Aug 30, 2026, 5:17 PM UTC
SHA-256
c83f2963cb38056273aa98731704c8da650a4bb5bebe4262b4887ba2db76a935
SHA-1
719ab87a08384d8a34db33232608850f14ad5b36
MD5
e570f318a2fb8664c11a923df56773a7

About this file

BongoCat_1.1.0_x64-setup.exe is a Win32 EXE file of 5.4 MB.

Type and size
Win32 EXE · 5.4 MB
Signer
UnsignedNo code signature.
First seen
Apr 20, 2026On VirusTotal.
Submitted by
309 distinct sources
Packer
None detected
Entropy
8.00 of 8

First scanned

Chapter 05

Questions & answers

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

Is BongoCat_1.1.0_x64-setup.exe a virus?
Yes. This copy of BongoCat_1.1.0_x64-setup.exe (SHA-256 c83f2963…a935) is malicious. Other files with the same name can be different, so check the hash. Don't install it. Delete it, then empty the Recycle Bin. 1 of the 71 antivirus engines that checked it flags it. Antivirus engines classify it as a trojan: malware disguised as something harmless so that you run it. If you've already installed it, see the steps below.
What is BongoCat_1.1.0_x64-setup.exe?
BongoCat_1.1.0_x64-setup.exe is a software installer, about 5.4 MB. It carries no version information saying what it is or who made it. VirusTotal first saw it on Apr 20, 2026.
How many antivirus engines detected BongoCat_1.1.0_x64-setup.exe?
1 of the 71 antivirus engines that checked it flags BongoCat_1.1.0_x64-setup.exe (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.
What should I do if I already installed BongoCat_1.1.0_x64-setup.exe?
Act quickly. 1) Disconnect the device from the internet. 2) Run a full scan with your antivirus and let it remove what it finds. 3) Change your important passwords from another device you trust, starting with email and banking, and turn on two-step verification. 4) If you bank or shop on this device, watch your accounts and tell your bank about payments you don't recognise. 5) If the scan keeps finding it, back up your personal files and reinstall Windows.
How do I remove BongoCat_1.1.0_x64-setup.exe?
To remove BongoCat_1.1.0_x64-setup.exe: 1) run a full scan with your antivirus and let it remove what it finds. 2) Delete it, then empty the Recycle Bin. 3) Check Settings > Apps, your browser extensions, startup apps (Task Manager > Startup apps) and scheduled tasks for anything you don't recognise. 4) Restart and scan again. If it keeps coming back, scan from Safe Mode with Networking, or back up your files and reinstall Windows.
What kind of malware is BongoCat_1.1.0_x64-setup.exe?
Antivirus engines classify BongoCat_1.1.0_x64-setup.exe as a trojan: malware disguised as something harmless so that you run it.
What is the SHA-256 hash of BongoCat_1.1.0_x64-setup.exe?
The SHA-256 fingerprint of BongoCat_1.1.0_x64-setup.exe is c83f2963cb38056273aa98731704c8da650a4bb5bebe4262b4887ba2db76a935, and its MD5 is e570f318a2fb8664c11a923df56773a7. 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 BongoCat_1.1.0_x64-setup.exe?
This report reflects the scan on Aug 30, 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.