GridinSoft Threat Intelligence
unrar.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2017-05-21 13:07:37 (8 years ago); latest analysis 2025-01-21 23:03:00 (a year ago).
Company metadata: Alexander Roshal. Product metadata: RAR decompression library.
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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
unrar.dll is a Windows file recorded in the ThreatInfo database. It is associated with RAR decompression library. The reported company name is Alexander Roshal. The current detection status is Undefined, based on the latest analysis from 2025-01-21 23:03:00 (a year ago).
ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.
File Details
| Product Name: | RAR decompression library |
| Company Name: | Alexander Roshal |
| MD5: | 92040a0f7f7d7a3f1e12d8bb064cb3b2 |
| Size: | 164 KB |
| First Published: | 2017-05-21 13:07:37 (8 years ago) |
| Latest Published: | 2025-01-21 23:03:00 (a year ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-01-21 23:03:00 (a year ago) |
Common Places:
| %programfiles%\winzip malware protector |
| %programfiles%\asp |
| %programfiles%\winzip driver updater |
| %programfiles%\driverdoc |
| %programfiles%\winzip system utilities suite |
| %programfiles%\advanced driver updater |
| %programfiles%\advanced system optimizer 3 |
| %programfiles%\driver updater plus |
| %programfiles%\simple malware protector |
| %programfiles%\advanced system protector |
ThreatInfo has observed unrar.dll 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 unrar.dll across 93 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Taiwan with 7.6% 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 unrar.dll is Windows 10 with 52.1% 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
unrar.dll is identified as pe for 32-bit systems. The subsystem is Windows CUI. 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.
cbfae7acf3bbe94086af4347a1373551
4b9fd00c3a6a79f4b5ce0c1f6202c4af
bf619eac0cdf3f68d496ea9344137e8b
316527d21e76a07b80f6c793d321e7d5
53178ffc5512374b0c3ae07e1bb9cd48
37e434b04456037a7320964138c4a00e
4be6ef746563ac14322a95ca841c2909
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
This file is still under review
ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.