unrar.dll file report

MD5 b3d155b2e269c628ad0ee9dd02c7f9e4
Latest seen 2021-07-19 20:58:42 (4 years ago)
First seen 2021-07-19 20:58:42 (4 years ago)
Size 254 KB
Publisher Alexander Roshal

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2021-07-19 20:58:42 (4 years ago); latest analysis 2021-07-19 20:58:42 (4 years ago).

Publisher context

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

Digital signature

Signed by SYSTWEAK SOFTWARE PVT. LTD.. 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.

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 2021-07-19 20:58:42 (4 years 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.

Product Name: RAR decompression library
Company Name: Alexander Roshal
MD5: b3d155b2e269c628ad0ee9dd02c7f9e4
Size: 254 KB
First Published: 2021-07-19 20:58:42 (4 years ago)
Latest Published: 2021-07-19 20:58:42 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-07-19 20:58:42 (4 years ago)
Signed By: SYSTWEAK SOFTWARE PVT. LTD.
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.

%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.

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.

unrar.dll is identified as pe for 32 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.

Subsystem: Windows CUI
PE Type: pe
OS Bitness: 32
Image Base: 0x10000000
Entry Address: 0x00022f6b

PE Sections:

Name Size of data MD5
.text 205824 3d2286094d2a22e63c757af4f8ae9d79
.rdata 33792 8903b20e21ed5ece70588f06ead102cb
.data 4096 7b944e470ffc0e1aca7a3780494892de
.gfids 512 9b352c50611a8995d387345b2c8d6783
.tls 512 1f354d76203061bfdd5a53dae48d5435
.rsrc 1536 3c2703948a15b151ebe10fb2327eca94
.reloc 7168 6f0604a10356b48cee956ab01eb766c5

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.

More information: