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winrar.exe

Winrar

Bechiro S.L.

This is the Solimba installer program that will bundle additional offers mostly including adware and various unwanted PC utilities. The application winrar.exe, “Winrar AppInstaller” by Bechiro S.L has been detected as adware 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 Solimba DownloadMR installer. The installer uses the Solimba download manager to push adware offers during the download and setup process. Bundled adware includes search and shopping web browser toolbars. The installer is marketed through download protals and search ads as WinRAR archiver but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Bechiro S.L.  (signed and verified)

Product:
Winrar

Description:
Winrar AppInstaller

Version:
3.0.17.4

MD5:
9845334a376898c2628894d55d33439b

SHA-1:
a90898c22d9652d6466c92120d410505fb2fd410

SHA-256:
132511f3c43e98c61fbe7d9506cf55ebbffbd703ea23d4d9bc3c2213b1a9e3ad

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/23/2024 7:50:58 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Solimba.Bechiro.Bundler (M)
16.3.3.16

File size:
198.2 KB (202,912 bytes)

Copyright:
AppInstaller 2013 (132071341)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Signed by:
Bechiro S.L.

Authority:
Thawte, Inc.

Valid from:
6/12/2012 8:00:00 PM

Valid to:
6/13/2014 7:59:59 PM

Subject:
CN=Bechiro S.L., OU=Devel, O=Bechiro S.L., L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
738DCAC697C06E1B89D106073773010D

File PE Metadata
Compilation timestamp:
2/19/2012 10:01:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
3072:CX7DItrfaocyTgfsqQOlJMjVuC+PeH24AbSB8WMmDak/+4cJ+SQeXa2Hd6gy6/oP:CsaocyLCMhX+W2y8ED3c3F/d6gD/op

Entry address:
0x4327

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 93, 42, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 94, 42, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 94, 42, 00, 56, A3, 40, 7B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8D, 3B, 00, 00, A3, 9C, 7B, 42, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, FF, 15, AC, 94, 42, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Entropy:
7.6013

Code size:
34.5 KB (35,328 bytes)

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

http://www.pc-file.net/winrar/download/.../704

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to cdn.solimba.com  (95.211.6.35:80)

TCP (HTTP):
Connects to api.downloadmr.com  (95.211.39.161:80)

 
http://api.downloadmr.com/installer/264594525/launch

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