GridinSoft Threat Intelligence
RunJS.exe threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Trojan.Heur!. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.
- Detection name
- Trojan.Heur!
- Recommended action
- Scan and remove
- Last analysis
- 2026-05-20 15:00:53 (a week ago)
- File hash
- f84713a99d338c4c7cac9b9fc0e65357
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Heur!, part of the Trojan threat category.
Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.
First seen 2026-05-20 15:00:53 (a week ago); latest analysis 2026-05-20 15:00:53 (a week ago).
Company metadata: Haas Labs Ltd. Product metadata: RunJS.
Signed by Haas Labs Ltd. The signature is reported as valid, but signed files can still be bundled or abused.
ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.
Recommended action
What to do next
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the Trojan category for related samples and common context.
File context
RunJS.exe is a Windows file recorded in the ThreatInfo database. It is associated with RunJS. The reported company name is Haas Labs Ltd. The current detection status is Trojan.Heur!, based on the latest analysis from 2026-05-20 15:00:53 (a week ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If RunJS.exe appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Trojan.Heur!.
File Details
| Product Name: | RunJS |
| Company Name: | Haas Labs Ltd |
| MD5: | f84713a99d338c4c7cac9b9fc0e65357 |
| Size: | 212 MB |
| First Published: | 2026-05-20 15:00:53 (a week ago) |
| Latest Published: | 2026-05-20 15:00:53 (a week ago) |
| Status: | Trojan.Heur! (on last analysis) | |
| Analysis Date: | 2026-05-20 15:00:53 (a week ago) |
Detection screenshot
The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.
Overview
| Signed By: | Haas Labs Ltd |
| Status: | Valid |
The signature on RunJS.exe is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.
Common Places:
| %localappdata%\programs |
ThreatInfo has observed RunJS.exe in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.
Geographic signal
Observed country distribution
ThreatInfo has seen RunJS.exe across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Venezuela with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for RunJS.exe is Windows 10 with 100.0% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.
Analysis
RunJS.exe is identified as pe for 64-bit systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
5b08c570cc46850774bc33c5ac908423
77b0c0a8e17677dfb4d23e27ff8dbfbe
251b16ccf3426e6d9ebc2b96fb6698d8
1a1c4cf512aa1c18b0668e6c13f42710
bf619eac0cdf3f68d496ea9344137e8b
87ece1b04d3adf819e709bfc8d34371a
f46b54d60220e5cd877ade5860a590bd
60d3ea61d541c9be2e845d2787fb9574
05e9eab8428a551a281ab278073669fa
bba4c1a5a1328b5f9253fceda0ac5865
061d0b320051fd4a4219739d13d639cc
bf619eac0cdf3f68d496ea9344137e8b
c6fb8e447bb38655c9eb4d8a98fe799b
77f7a41606abceaf2dd5ee290134982b
PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.
Report conclusion
GridinSoft detects this file as Trojan.Heur!
This report identifies RunJS.exe by MD5 f84713a99d338c4c7cac9b9fc0e65357. It is part of the Trojan report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.