GridinSoft Threat Intelligence
$RT58C11.sys threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as PUP.ChinAd. 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
- PUP.ChinAd
- Recommended action
- Scan and remove
- Last analysis
- 2026-04-01 23:00:58 (2 months ago)
- File hash
- 650e2c2a40f0c3205967eac1d720f9ad
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.ChinAd, part of the PUP threat category.
Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.
First seen 2026-03-31 23:00:45 (2 months ago); latest analysis 2026-04-01 23:00:58 (2 months ago).
Company metadata: ANTICHEATEXPERT.COM. Product metadata: Anti-Cheat Expert.
Signed by Tencent Technology (Shenzhen) Company Limited;Microsoft Windows Hardware Compatibility Publisher. 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 PUP category for related samples and common context.
File context
$RT58C11.sys is a Windows file recorded in the ThreatInfo database. It is associated with Anti-Cheat Expert. The reported company name is ANTICHEATEXPERT.COM. The current detection status is PUP.ChinAd, based on the latest analysis from 2026-04-01 23:00:58 (2 months ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
If $RT58C11.sys 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 PUP.ChinAd.
File Details
| Product Name: | Anti-Cheat Expert |
| Company Name: | ANTICHEATEXPERT.COM |
| MD5: | 650e2c2a40f0c3205967eac1d720f9ad |
| Size: | 1 MB |
| First Published: | 2026-03-31 23:00:45 (2 months ago) |
| Latest Published: | 2026-04-01 23:00:58 (2 months ago) |
| Status: | PUP.ChinAd (on last analysis) | |
| Analysis Date: | 2026-04-01 23:00:58 (2 months 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: | Tencent Technology (Shenzhen) Company Limited;Microsoft Windows Hardware Compatibility Publisher |
| Status: | Valid |
The signature on $RT58C11.sys 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:
| %sysdrive%\$recycle.bin |
| %programfiles%\steam\steamapps\common\abinfinite\abinfinite\binaries\win64 |
| %system% |
ThreatInfo has observed $RT58C11.sys 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 $RT58C11.sys across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Spain with 66.7% 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 $RT58C11.sys 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
$RT58C11.sys is identified as pe for 64-bit systems. The subsystem is Native. 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.
ab1c9b845b2e34e3061ab837ba73afef
9a5356af78c022b339289ff0921b8c2c
525238b9152286915596bb6399a0181b
2d80b4f41f6645a3400eac3d434408da
d8436a2ccba7eb55f2e4c4ba89eef076
1cf2856b26691be80e10679aee1138e4
832c1889795b0e5bfcb9d4e10129ad37
04fd808ed22c81d79deb2ad907e90414
72fe24169e1dd0fd527e8c52a52ff439
34fba6bab9dd3f733ff36975a004ad01
eef1f7c7553f1724707dc6340ac89464
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 PUP.ChinAd
This report identifies $RT58C11.sys by MD5 650e2c2a40f0c3205967eac1d720f9ad. It is part of the PUP 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.