GridinSoft Threat Intelligence
mracdrv1.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.MailRu. 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.MailRu
- Recommended action
- Scan and remove
- Last analysis
- 2026-04-17 23:00:23 (a month ago)
- File hash
- 38ded6894c4d3b8c669587b57d475de4
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.MailRu, 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 2021-02-07 16:21:09 (5 years ago); latest analysis 2026-04-17 23:00:23 (a month ago).
Company metadata: LLC Mail.Ru. Product metadata: Mail.Ru AntiCheat.
Signed by Mail.Ru LLC;Microsoft Windows Hardware Compatibility Publisher;LLC Mail.Ru. 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
mracdrv1.sys is a Windows file recorded in the ThreatInfo database. It is associated with Mail.Ru AntiCheat. The reported company name is LLC Mail.Ru. The current detection status is PUP.MailRu, based on the latest analysis from 2026-04-17 23:00:23 (a month ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
If mracdrv1.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.MailRu.
File Details
| Product Name: | Mail.Ru AntiCheat |
| Company Name: | LLC Mail.Ru |
| MD5: | 38ded6894c4d3b8c669587b57d475de4 |
| Size: | 20 MB |
| First Published: | 2021-02-07 16:21:09 (5 years ago) |
| Latest Published: | 2026-04-17 23:00:23 (a month ago) |
| Status: | PUP.MailRu (on last analysis) | |
| Analysis Date: | 2026-04-17 23:00:23 (a month 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: | Mail.Ru LLC;Microsoft Windows Hardware Compatibility Publisher;LLC Mail.Ru |
| Status: | Valid |
The signature on mracdrv1.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:
| %system% |
ThreatInfo has observed mracdrv1.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 mracdrv1.sys across 15 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Russian Federation with 32.4% 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 mracdrv1.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
mracdrv1.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.
75474472c3364ba464b485db08b463a8
cdb92afcab3d4808d27fab277c073216
2dfb6531ba71a86e479d1659387d3f67
34fc93cab8222eb45a6ccca0d02247ed
0a91a43b8f3afa489f8a8c7c0d07638f
3163a512271ce1db5caaf994eb218169
27088db318eb5adae0054ce8005dce4f
1b72b8359eb8fd7af79acf0ede747e4c
366c3833fd99297080b64494853d0b22
52fd5de81eee4e123d1f7725b1dbb056
c3405fb387df8ccf34f8805be55ba7b9
4d8f66a95e0b5c2fcdef186f6c57a1bf
64277e8f009f4aaab8d279ea4c03b577
7d99399522308187e24487e450e2ff99
e0bf354ea26e7374ae5cc74468a0cb93
63f33b7c5bdb5289be17e57fe7d1d0f9
dfba03676d2e7b9b3713895405dce34c
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.MailRu
This report identifies mracdrv1.sys by MD5 38ded6894c4d3b8c669587b57d475de4. 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.