GridinSoft Threat Intelligence

reg.exe threat report

Detected as Trojan.Wacatac File reputation report
MD5 8b25516c568ef0b41a4771af3a763c72
Latest seen 2026-05-19 18:00:37 (a week ago)
First seen 2026-05-19 18:00:37 (a week ago)
Size 9 MB

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.Wacatac. 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.Wacatac
Recommended action
Scan and remove
Last analysis
2026-05-19 18:00:37 (a week ago)
File hash
8b25516c568ef0b41a4771af3a763c72
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Wacatac, part of the Trojan threat category.

Category context

Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2026-05-19 18:00:37 (a week ago); latest analysis 2026-05-19 18:00:37 (a week ago).

Observed locations

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

  1. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. 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

reg.exe is a Windows file recorded in the ThreatInfo database. The current detection status is Trojan.Wacatac, based on the latest analysis from 2026-05-19 18:00:37 (a week ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.

If reg.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.Wacatac.

File Details

MD5: 8b25516c568ef0b41a4771af3a763c72
Size: 9 MB
First Published: 2026-05-19 18:00:37 (a week ago)
Latest Published: 2026-05-19 18:00:37 (a week ago)
Status: Trojan.Wacatac (on last analysis)
Analysis Date: 2026-05-19 18:00:37 (a week ago)

Detection screenshot

reg.exe 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.

Common Places:

%sysdrive%

ThreatInfo has observed reg.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 reg.exe across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country China
Share 100.0%
Low High activity

The strongest geographic signal for this file is China 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:

Windows 10 100.0%

The most common operating system signal for reg.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

reg.exe is identified as pe for 32-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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x0191eb30
Image base 0x00400000

PE Sections:

Sections 17
Raw data 9538627

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

1205760 bytes · 12.6% of section data
Uncommon name
MD5 6578043c680f55772b9265b3a9c84ec9
35328 bytes · 0.4% of section data
Uncommon name
MD5 00e02e459945e53abaa281b53607214a
512 bytes · 0.0% of section data
Uncommon name
MD5 752d5c24800ec1a0d68745b646ea3e8b
512 bytes · 0.0% of section data
Uncommon name
MD5 dc2c85f3b904ccd18ed161aaedbd195e
1536 bytes · 0.0% of section data
Uncommon name
MD5 433b83e66753c4687f60ce5d54328719
1536 bytes · 0.0% of section data
Uncommon name
MD5 7e680414ee1865ca61828e37564d0073
512 bytes · 0.0% of section data
Uncommon name
MD5 325e3ce6c780669091c7181e5407eff6
64512 bytes · 0.7% of section data
Uncommon name
MD5 1031a0632888e62a241ff06d3dcd5dc2
189440 bytes · 2.0% of section data
Uncommon name
MD5 c7b27988cc11713ebee784c56a2001ba
0 bytes · 0.0% of section data
Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
512 bytes · 0.0% of section data
Uncommon name
MD5 7634d443958dd3b76bf5d153bd98e88b
4986368 bytes · 52.3% of section data
Uncommon name
MD5 2710b530ba549ea9554eb449d1b7ae3f
85504 bytes · 0.9% of section data
Uncommon name
MD5 d2c3d5dd0513d3ba9d037dc7f456cdbb
.rsrc 7168 bytes · 0.1% of section data
MD5 674e86d0ab02e8b98633fa8b673eb980
196608 bytes · 2.1% of section data
Uncommon name
MD5 09553afd3d12eb45095e9d6d8f7fb2bc
.data 2082816 bytes · 21.8% of section data
MD5 d2b13a3806beb8cfae7abc900a45215c
.patch 680003 bytes · 7.1% of section data
Uncommon name
MD5 0e2c2ff65cbd94f721390d4fe41982d8

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.Wacatac

This report identifies reg.exe by MD5 8b25516c568ef0b41a4771af3a763c72. 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.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 8b25516c568ef0b41a4771af3a763c72.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found. Use the Trojan category to compare similar reports.