GridinSoft Threat Intelligence
unrar.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2020-06-15 06:26:06 (5 years ago); latest analysis 2025-09-16 23:00:36 (8 months ago).
Company metadata: Alexander Roshal. Product metadata: RAR decompression library.
Signed by win.rar GmbH. 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
- 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 2025-09-16 23:00:36 (8 months 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: | d7e923484e499b6ed3bb674b8f70a4ae |
| Size: | 262 KB |
| First Published: | 2020-06-15 06:26:06 (5 years ago) |
| Latest Published: | 2025-09-16 23:00:36 (8 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-09-16 23:00:36 (8 months ago) |
Overview
| Signed By: | win.rar GmbH |
| Status: | Valid |
The signature on unrar.dll 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:
| %programfiles% |
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.
Geography:
14 observed countriesThe strongest geographic signal for this file is India with 16.7% 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 unrar.dll is Windows 10 with 89.5% 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.
628c9e4a09938b6c2351f5dae66f46d3
5fa13347a2b4e5b782e095880536e20c
f7d044a2db43a1a72fc788bbc5b7862b
18eae7df01e127646475c000c5531f2e
1f354d76203061bfdd5a53dae48d5435
f95c63d27a0853e436bad3e7ea17abdd
0bf865863063b36ee8aa05c9c72ac8e7
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.