wrar52b2_inst.exe

Well Known Media Ltd

The application wrar52b2_inst.exe by Well Known Media has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from download.com.np.
Publisher:
Well Known Media Ltd  (signed and verified)

MD5:
acc9394555ebe630d9a68bcacfb65898

SHA-1:
2b7aebfab350eca4f45acc31ded670ef24c08148

SHA-256:
41e0b2332950d35bbbb39bca111883bf980b64e389c5791209477da1cbc62277

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
5/22/2024 11:34:07 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.Bundler.Meta (L)
16.5.23.20

File size:
752.3 KB (770,360 bytes)

Product version:
1.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\wrar52b2_inst.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
8/20/2014 5:45:00 AM

Valid to:
8/21/2015 5:44:59 AM

Subject:
CN=Well Known Media Ltd, O=Well Known Media Ltd, STREET=Kissack Court, STREET=29 Parliament Street, L=Ramsey, S=Isle of Man, PostalCode=IM8 1JA, C=IM

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
73CC925BC7B1EAFC96D9C9F2EAA55030

File PE Metadata
Compilation timestamp:
6/20/1992 4:07:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:dlvpEgGo8+MEmqYWZ9dbUNNCXVoU3NMriA/obS9+56WDM7nd9V:dlvC/d+MEIWzdbRSEXARwYWDM7nd9V

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8172

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file wrar52b2_inst.exe has been seen being distributed by the following URL.

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