MalwareTips
Threat LensFile scan report

Is Source Thread Fix safe?

Verdict
Suspicious

Unsigned 6.5 KB PE with four tier-1 detections and sandbox evidence of process injection.

Four tier-1 engines flag the file as crypt-family malware and sandbox logs show T1055.012 process injection. The sample is unsigned, has medium prevalence, and no external-intel hits.

Do not open it until verified

Treat the file as untrusted; do not run it and let your security software quarantine or delete the sample.

Read the full analysis
Saved file evidenceAntivirus consensus
10of 75 flagged
Flagged 10No detection 65
Digital specimenSource Thread Fix701b84b1df352139ac…69d290434c0ab9
Size6.5 KB
Code signingUnsigned
SandboxRuntime complete
First seen2mo ago
Evidence3 priority signals
1 high-confidence signature or behavior rule matched this file.

Recommended next actions

01

Before opening

Do not open it until the source can be verified independently.

02

If you already opened it

Stop using it, scan the device, and watch for unexpected behavior or security alerts. Get a fresh copy from the original trusted source and verify its exact hash when possible.

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.

65%Confidence
High
Analyst conclusion

Four tier-1 engines flag the file as crypt-family malware and sandbox logs show T1055.012 process injection. The sample is unsigned, has medium prevalence, and no external-intel hits.

Where this verdict could be wrong2 caveats
  • engines.tier1FamilyConsensus.strong=false (only 2 engines agree on 'crypt')
  • behaviour.hasMaliciousSandboxVerdict=false and droppedChildren.hasMaliciousChild=false

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

Treat the file as untrusted; do not run it and let your security software quarantine or delete the sample.

Scan transparency

Coverage & freshness

3 of 5 complete

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

  • Antivirus

    Complete

    10 of 75 engines flagged the file.

  • Sandbox

    Complete

    1 isolated runtime environment contributed observations.

  • Network

    Not run

    No contacted-host reputation check is recorded.

    No timestamp recorded

  • YARA

    Complete

    1 signature or behavior rule matched.

  • External intel

    Partial

    Independent reference checks were attempted but are incomplete.

Chapter 03

Behavior

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

Runtime flight recorder

Capture complete
  • 1isolated sandbox run
  • 6MITRE ATT&CK techniques
  • 2spawned processes
  • 0network contacts
  • 0filesystem & mutex artifacts

What this file does

Observed actions and their security significance

  • High concern: Injected code into another process, a technique that can conceal execution.

  • High concern: Loaded code directly into memory instead of from a normal file.

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

  • Moderate concern: Removed execution artefacts or logs, which can conceal activity.

  • 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.

Recorded behavior

Attack story

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

ObservedDerived

3 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

We couldn't fully clear this file. Treat it with caution.

  1. Recovery step 01

    Don't open it unless you're certain it came from a source you trust.

  2. Recovery step 02

    Check where you got it — an unexpected attachment or a random download link is a red flag.

  3. Recovery step 03

    If its origin cannot be confirmed, delete this file and use a fresh copy from a trusted source. Get a fresh copy from the original trusted source and verify its exact hash when possible.

  4. Recovery step 04

    If you're still unsure, scan it again in a day or two — detections often catch up on newer files.

Safety FAQ

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

8 evidence-based answers
Is Source Thread Fix safe, or is it malware?
Evidence-based answer
Source Thread Fix is suspicious — treat it as unsafe until you're sure. 10 of 75 antivirus engines flag it (family: crypt); that detection signal contributes to the cautious verdict. Don't open it unless you fully trust where it came from. Get a fresh copy from the original trusted source and verify its exact hash when possible.
What is Source Thread Fix?
Evidence-based answer
Source Thread Fix is a file, about 7 KB. We identify a file by its cryptographic hash rather than its name, because the same filename can be reused by completely different files — the hash below is the reliable fingerprint.
How many antivirus engines detected Source Thread Fix?
Evidence-based answer
10 of 75 antivirus engines flagged Source Thread Fix, 10 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.
I already downloaded and opened Source Thread Fix — what should I do?
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 Source Thread Fix?
Evidence-based answer
To remove Source Thread Fix: 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 Source Thread Fix?
Evidence-based answer
Source Thread Fix is classified as a trojan — malware disguised as something harmless to trick you into running it. Engines attribute it to the crypt 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 Source Thread Fix?
Evidence-based answer
The SHA-256 hash of Source Thread Fix is 701b84b1df352139acd6c518a206f1d37a55e07aa8ad44479b69d290434c0ab9, and its MD5 is 77eca6e5075b17b26ecc7c87f164363e. 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 Source Thread Fix?
Evidence-based answer
This report reflects the scan run on August 31, 2026. Because a file's hash never changes, the identity of Source Thread Fix 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.