GridinSoft Threat Intelligence
cdosys.dll.mui threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as General Threat. 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
- General Threat
- Recommended action
- Scan and remove
- Last analysis
- 2026-05-13 17:00:56 (a day ago)
- File hash
- 8306f11d5f17e312ee4454a2f3c54e4d
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as General Threat.
First seen 2026-05-13 17:00:56 (a day ago); latest analysis 2026-05-13 17:00:56 (a day ago).
Company metadata: أبع[Microsoft Corporation]לף. Product metadata: Microsoft® Windows® Operating System.
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
cdosys.dll.mui is a Windows file recorded in the ThreatInfo database. It is associated with Microsoft® Windows® Operating System. The reported company name is أبع[Microsoft Corporation]לף. The current detection status is General Threat, based on the latest analysis from 2026-05-13 17:00:56 (a day ago).
If cdosys.dll.mui 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 General Threat.
File Details
| Product Name: | Microsoft® Windows® Operating System |
| Company Name: | أبع[Microsoft Corporation]לף |
| MD5: | 8306f11d5f17e312ee4454a2f3c54e4d |
| Size: | 52 KB |
| First Published: | 2026-05-13 17:00:56 (a day ago) |
| Latest Published: | 2026-05-13 17:00:56 (a day ago) |
| Status: | General Threat (on last analysis) | |
| Analysis Date: | 2026-05-13 17:00:56 (a day 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.
Common Places:
| %windir%\softwaredistribution\download\394234bd452e9830064d4e75da6d221f\package_for_rollupfix~~amd64~~26100.8457.1.17 |
ThreatInfo has observed cdosys.dll.mui 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 cdosys.dll.mui 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 United States 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 cdosys.dll.mui 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
cdosys.dll.mui 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.
733864759e3c43e1080e44179730e51d
1ea729e386e219b7b92d447b894cba99
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 General Threat
This report identifies cdosys.dll.mui by MD5 8306f11d5f17e312ee4454a2f3c54e4d. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.