GridinSoft Threat Intelligence
R32MSIE4.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.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
- 2026-05-14 16:00:35 (2 weeks ago)
- File hash
- 0aa00f0adc28c5c450ebd52e1d543447
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Wacatac, 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 2026-05-14 16:00:35 (2 weeks ago); latest analysis 2026-05-14 16:00:35 (2 weeks ago).
Signed by Progressive Networks, Inc.. 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
R32MSIE4.EXE is a Windows file recorded in the ThreatInfo database. The current detection status is Trojan.Wacatac, based on the latest analysis from 2026-05-14 16:00:35 (2 weeks ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If R32MSIE4.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: | 0aa00f0adc28c5c450ebd52e1d543447 |
| Size: | 1 MB |
| First Published: | 2026-05-14 16:00:35 (2 weeks ago) |
| Latest Published: | 2026-05-14 16:00:35 (2 weeks ago) |
| Status: | Trojan.Wacatac (on last analysis) | |
| Analysis Date: | 2026-05-14 16:00:35 (2 weeks 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: | Progressive Networks, Inc. |
| Status: | Valid |
The signature on R32MSIE4.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:
| %sysdrive%\acos\acos1 |
ThreatInfo has observed R32MSIE4.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 R32MSIE4.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 Switzerland 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 R32MSIE4.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
R32MSIE4.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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
82f58549dc390234fab9a87cb4e28594
46dbf0e63e912db61a85da4061a98e97
c3bbb0a321545776cd731b98676440c8
e9d020fed1f24a20603435bc255cb463
5414e19c83bdea1ecf273ae5c555750e
505bb0fdae105c21a6b1ab10e97c3186
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 R32MSIE4.EXE by MD5 0aa00f0adc28c5c450ebd52e1d543447. 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.