GridinSoft Threat Intelligence

unrar.dll file report

Under review File reputation report
MD5 e1d317b07097a8792f55d4e9ae15c624
Latest seen 2025-01-02 23:02:17 (a year ago)
First seen 2023-02-15 23:29:24 (3 years ago)
Size 172 KB
Publisher Alexander Roshal
Product RAR decompression library
Signed by Corel Corporation

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Category context

Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2023-02-15 23:29:24 (3 years ago); latest analysis 2025-01-02 23:02:17 (a year ago).

Publisher context

Company metadata: Alexander Roshal. Product metadata: RAR decompression library.

Digital signature

Signed by Corel Corporation. The signature is reported as valid, but signed files can still be bundled or abused.

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. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. 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 2025-01-02 23:02:17 (a year ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

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: e1d317b07097a8792f55d4e9ae15c624
Size: 172 KB
First Published: 2023-02-15 23:29:24 (3 years ago)
Latest Published: 2025-01-02 23:02:17 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-01-02 23:02:17 (a year ago)

Overview

Signed By: Corel Corporation
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.

Geographic signal

Observed country distribution

ThreatInfo has seen unrar.dll across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Colombia
Share 50.0%
Low High activity

The strongest geographic signal for this file is Colombia with 50.0% 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 unrar.dll 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

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.

Format pe
Architecture 32-bit
Subsystem Windows CUI
Entry point 0x00001000
Image base 0x00400000

PE Sections:

Sections 7
Raw data 166912

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

.text 141312 bytes · 84.7% of section data
MD5 cbfae7acf3bbe94086af4347a1373551
.data 16384 bytes · 9.8% of section data
MD5 4b9fd00c3a6a79f4b5ce0c1f6202c4af
.tls 512 bytes · 0.3% of section data
MD5 bf619eac0cdf3f68d496ea9344137e8b
.idata 2560 bytes · 1.5% of section data
MD5 316527d21e76a07b80f6c793d321e7d5
.edata 512 bytes · 0.3% of section data
MD5 53178ffc5512374b0c3ae07e1bb9cd48
.rsrc 1024 bytes · 0.6% of section data
MD5 37e434b04456037a7320964138c4a00e
.reloc 4608 bytes · 2.8% of section data
MD5 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.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with e1d317b07097a8792f55d4e9ae15c624.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual. Use the PUP category to compare similar reports.