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
- 2026-01-08 23:00:36 (4 months ago)
- File hash
- 1263511376fd3b8f0e59ceea9ba1d5b2
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as PUP.MailRu.
First seen 2020-09-16 03:36:25 (5 years ago); latest analysis 2026-01-08 23:00:36 (4 months 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.
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 2026-01-08 23:00:36 (4 months ago).
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: | 1263511376fd3b8f0e59ceea9ba1d5b2 |
| Size: | 19 MB |
| First Published: | 2020-09-16 03:36:25 (5 years ago) |
| Latest Published: | 2026-01-08 23:00:36 (4 months ago) |
| Status: | PUP.MailRu (on last analysis) | |
| Analysis Date: | 2026-01-08 23:00:36 (4 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: | 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 13 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 45.7% 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 mracdrv1.sys is Windows 10 with 88.9% 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.
8a26059fb2b0e064647b93bb66f5bcee
5f0df889b64cc9d7c9ba192437928c04
f6727947d93358cc137afa10d04c3cd1
2091f9452d953415c742bfe29e6d0d5f
36b8cebe34f4fff7a0ec255e425ef31d
8d08a2fdefd2bd569ccfaac82888f736
66c9d23c172179ca59d945a0d3e2b67b
1d7b8745a79b210860538c549c6972c8
9961d66f344ac44865aa3ba124ca94be
ad7dd041ac14e3da2051da48c92f8893
b990fffac794b7619afd0c0afdc7dbd6
3cd0645ebafbad08f00ce9bb0bd95512
4bf70dc4db10b78c9dc8db224769342c
e965e13f9105629deff23aec414351a0
078da04a09534d01ddf2ddb3627db3db
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 1263511376fd3b8f0e59ceea9ba1d5b2. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.