MalwareTips
Threat LensFile scan report

Is RealSetup.exe safe?

Verdict
Malicious

Unsigned 17 MB installer flagged by 11 tier-1 engines as Posprefer trojan with direct-IP C2 behaviour.

46 of 75 engines detect this file, including 11 tier-1 engines converging on the Posprefer family. The sample is unsigned, drops files, and contacts two raw IP addresses while exhibiting data-encryption behaviour.

Do not run this file

Block and quarantine the file; treat as active Posprefer distribution.

Read the full analysis
Saved file evidenceAntivirus consensus
46of 75 flagged
Flagged 46No detection 29
Digital specimenRealSetup.exeb411b444682179bf2f…ec40101a8f3aee
Size16.5 MB
Code signingUnsigned
SandboxRuntime complete
First seen12d ago
Evidence2 priority signals
46 of 75 antivirus engines flagged the file, including AhnLab-V3 and ALYac.

Recommended next actions

01

Before running

Do not run it. Delete this file from the device, then empty the Recycle Bin or Trash.

02

If you already ran it

Disconnect from the internet, start a full or offline antivirus scan, then secure important accounts from a clean device.

Chapter 02

Intelligence

The saved assessment, checked against the scan evidence and recorded coverage.

MT AI Engine · Verdict analysis

The reasoning behind this verdict

This section explains the evidence supporting the verdict and keeps conflicting or missing signals visible.

85%Confidence
Very high
Analyst conclusion

46 of 75 engines detect this file, including 11 tier-1 engines converging on the Posprefer family. The sample is unsigned, drops files, and contacts two raw IP addresses while exhibiting data-encryption behaviour.

Where this verdict could be wrong2 caveats
  • droppedChildren: 2 inspected children both unknown, hasMaliciousChild=false
  • externalIntel: no CIRCL, MalwareBazaar or YARAify hits

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

Recommended action

Block and quarantine the file; treat as active Posprefer distribution.

Scan transparency

Coverage & freshness

4 of 5 complete

Complete means the check returned a usable result. It does not mean the file is safe.

  • Antivirus

    Complete

    46 of 75 engines flagged the file.

  • Sandbox

    Complete

    1 isolated runtime environment contributed observations.

  • Network

    Partial

    2 runtime contacts were observed without a completed reputation cross-check.

  • YARA

    Complete

    1 signature or behavior rule matched.

  • External intel

    Complete

    3 of 3 independent reference sources completed.

Chapter 03

Behavior

Plain-English impact first, then the observed runtime evidence.

Runtime flight recorder

Capture complete
  • 1isolated sandbox run
  • 13MITRE ATT&CK techniques
  • 3spawned processes
  • 2network contacts
  • 17filesystem & mutex artifacts

What this file does

Observed actions and their security significance

  • Moderate concern: Contained obfuscated or packed code that makes inspection harder.

  • Moderate concern: Runs hidden system commands (script or shell).

  • Moderate concern: Communicated over a common application protocol; malware can use this for command-and-control.

  • Moderate concern: Scans through your files and folders.

  • Moderate concern: Decoded or unpacked concealed content while running.

  • Note: Collects details about your system.

  • Note: Loads extra code modules while running.

These are observed capabilities from an isolated analysis. A technique does not prove malicious intent on its own, and the file never ran on your device.

Threat context

How trojans work

A trojan disguises itself as something useful or harmless to trick you into running it. Once open, it does its real job in the background — anything 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

Attack story

Runtime observations grouped by analysis stage. Arrows organize the stages; they do not claim chronology or causality.

ObservedDerived

7 recorded facts from one runtime window. Every fact remains independently traceable in Analyst mode.

Chapter 04

Detection & Forensics

Consensus, attribution, signatures, code structure, prevalence, and identity.

Chapter 05

Safety & FAQ

Complete recovery guidance and answers for the next decision.

What to do now

This file is dangerous. Treat it as harmful and remove it.

  1. Recovery step 01

    Don't run this file. Delete this file from the device, then empty the Recycle Bin or Trash.

  2. Recovery step 02

    If you already ran it, disconnect from the internet and start with a full antivirus scan or Microsoft Defender Offline scan. If compromise is suspected or the problem persists, use a reputable second-opinion scanner and follow incident-recovery or clean-reinstall guidance.

  3. Recovery step 03

    If you typed any passwords while it was open, change them from a device you trust.

  4. Recovery step 04

    Get a fresh copy from the developer's official site or an official app store.

Safety FAQ

Direct answers grounded in the saved verdict and evidence in this report.

8 evidence-based answers
Is RealSetup.exe a virus?
Evidence-based answer
Yes — RealSetup.exe is malicious. Do not run it. Delete this file from the device, then empty the Recycle Bin or Trash. 46 of 75 antivirus engines flag it (family: posprefer). It behaves as a trojan — malware disguised as something harmless to trick you into running it. If you've already run it, see the removal and recovery steps below.
What is RealSetup.exe?
Evidence-based answer
RealSetup.exe is a Windows executable program, about 16.5 MB. Our analysis identifies it as malicious (family: posprefer) — a trojan — malware disguised as something harmless to trick you into running it. Because a file's name and icon can be faked, the safest way to identify it is by its cryptographic hash (below), not its filename.
How many antivirus engines detected RealSetup.exe?
Evidence-based answer
46 of 75 antivirus engines flagged RealSetup.exe, 46 of them as outright malicious. The raw count alone does not establish safety or danger; we also weigh which engines flagged it and corroborating behavior, identity, reputation, and rule evidence. The malicious verdict comes from the complete saved evidence, not from this antivirus count by itself.
What should I do if I already ran RealSetup.exe?
Evidence-based answer
Act quickly. 1) Disconnect the device from the internet to stop the malware communicating or spreading. 2) Run a full scan with reputable anti-malware software (such as Malwarebytes) and quarantine everything it finds. 3) Change your important passwords from a DIFFERENT, clean device — many threats log keystrokes or steal saved credentials. 4) If you bank or shop on this device, watch closely for fraud and alert your bank. 5) For a confirmed infection, the most reliable fix is to back up your personal files and reinstall the operating system for a clean start.
How do I remove RealSetup.exe?
Evidence-based answer
To remove RealSetup.exe: 1) restart into Safe Mode (Safe Mode with Networking if you need to download a tool) so the malware doesn't auto-start. 2) Run a full scan with reputable anti-malware software and let it quarantine or delete the detections. 3) Delete this file from the device, then empty the Recycle Bin or Trash. 4) Check your browser extensions, startup items, and scheduled tasks for anything unfamiliar. 5) Reboot and scan again to confirm it's gone. If detections keep coming back, a clean operating-system reinstall is the most dependable cure.
What kind of malware is RealSetup.exe?
Evidence-based answer
RealSetup.exe is classified as a trojan — malware disguised as something harmless to trick you into running it. Engines attribute it to the posprefer family. Knowing the family matters because it tells you the likely impact — data theft, remote control, file encryption, or unwanted ads — and guides the cleanup.
What is the SHA-256 hash of RealSetup.exe?
Evidence-based answer
The SHA-256 hash of RealSetup.exe is b411b444682179bf2f4270fbc22d9a86263b659152f9611712ec40101a8f3aee, and its MD5 is d81c13e9063abe4687060d633ff1f701. This hash is the file's unique fingerprint — two files with the same SHA-256 are identical. Use it to confirm you're looking at exactly this file (not just one with the same name) when comparing against antivirus databases or a download's published checksum.
How up to date is this analysis of RealSetup.exe?
Evidence-based answer
This report reflects the scan run on August 30, 2026. Because a file's hash never changes, the identity of RealSetup.exe is fixed — but antivirus coverage improves over time, so a file that looks clean today can pick up detections later (and vice-versa). If you need the latest picture, MalwareTips staff can re-run the analysis from scratch.
Chapter 06

Community

Member reviews and reports for this exact file hash.

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The raw file is processed temporarily and is not retained after processing. Its hash and report are public and permanent, so the next person who checks the same file gets an instant answer. Unknown files may be submitted to VirusTotal for analysis. If you ran this file on your computer and are worried, scan your system with an up-to-date antivirus and change critical passwords from a different device.