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winrar_setup.exe

WinRAR Installer

Downloadinfo

The Adlogica setup manager, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application winrar_setup.exe, “Deploy WinRAR along with various offers” by Downloadinfo has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the Adlogica Downloader installer. This version of the installer will bundle a Mindspark/MyWebSearch Toolbar, a potentially unwanted web browser extension. With this installer, users are expecting to download WinRAR archiver but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Downloadinfo  (signed and verified)

Product:
WinRAR Installer

Description:
Deploy WinRAR along with various offers

Version:
4.2

MD5:
84ac07aaed3462e55758ced620fb8649

SHA-1:
9742635ea8319bff131f2e5f31a27e374a9b9294

SHA-256:
b55977201006dd4f1534b08e6c9e3e4d8b2b0df7c86a24d40542891d0bf0775f

Scanner detections:
6 / 68

Status:
Adware

Explanation:
Bundles the Mindspark (MyWebSearch/Ask) toolbar, a web browser extension that will modify a user's search and home pages.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/19/2024 10:48:38 PM UTC  (today)

Scan engine
Detection
Engine version

Boost by Reason
Trojan.Adw.Installer.Downloadinfo.M
13.11.23.0

ESET NOD32
Win32/Toolbar.MyWebSearch (variant)
7.8998

herdProtect (fuzzy)
variant of angrybirds_setup.exe (Adware)
2013.12.20.18

Malwarebytes
PUP.Optional.Downloadster
v2013.11.22.07

Reason Heuristics
PUP.Installer.Downloadinfo.M
14.8.7.17

Trend Micro House Call
TROJ_GEN.F47V1019
7.2.326

File size:
1.2 MB (1,308,520 bytes)

Product version:
4.2

Copyright:
©DownloadInfo

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adlogica Downloader

Language:
English (United States)

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

Digital Signature
Signed by:
Downloadinfo

Authority:
COMODO CA Limited

Valid from:
8/13/2013 5:00:00 PM

Valid to:
8/14/2015 4:59:59 PM

Subject:
CN=Downloadinfo, O=Downloadinfo, STREET=96 Jessie st 4th floor, L=SAN FRANCISCO, S=CA, PostalCode=94105, C=US

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

Serial number:
0086FD7D8A08F1EAEB6084518153EB026C

File PE Metadata
Compilation timestamp:
8/27/2013 1:27:09 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:gKJpO06eDK14C2SLtgW5QCwgIImrox3k1d+EbzcguMv2+Mmar9Tjbgv:gNtwgIImMMd+Wz20VVWTjE

Entry address:
0x1073F0

Entry point:
55, 8B, EC, 83, C4, F0, B8, 80, 56, 50, 00, E8, E4, 01, F0, FF, 8B, 0D, 9C, 15, 51, 00, 8B, 09, B2, 01, A1, F4, 48, 4C, 00, E8, C8, 8E, F5, FF, 8B, 15, 90, 16, 51, 00, 89, 02, A1, 9C, 15, 51, 00, 8B, 00, E8, CC, 26, F6, FF, A1, 9C, 15, 51, 00, 8B, 00, B2, 01, E8, 66, 45, F6, FF, 8B, 0D, 80, 13, 51, 00, A1, 9C, 15, 51, 00, 8B, 00, 8B, 15, 60, 8E, 4F, 00, E8, BE, 26, F6, FF, A1, 9C, 15, 51, 00, 8B, 00, E8, EA, 27, F6, FF, E8, 39, DB, EF, FF, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.6777

Developed / compiled with:
Microsoft Visual C++

Code size:
1 MB (1,074,176 bytes)

The file winrar_setup.exe has been seen being distributed by the following 2 URLs.

http://downloader2.downloadinfo.co/download.php?id=b048ae6b25acbe6f48079931416d84fdb4243f1e&z=2&p=eyJweSI6ImRpIiwicnMiOiJzYWZlIiwicnQiOiJzZWFyY2giLCJjIjoidXMiLCJvIjoid2luNyIsImIiOiJjaDI3IiwidV9pZCI6ImRpXzUyOGZmYmUzYjdjNTY4LjUzNDE2NDc2IiwicGFfaWQiOiIyIiwic3RfaWQiOiIwIiwic3BfaWQiOiIwMDAwLTAwMDAiLCJ0cyI6MTM4NTE2Nzg1NCwia3ciOiIiLCJjdSI6IiIsImNhIjpudWxsfQ==

http://dls.downloadinfo.co/.../winrar_setup.exe

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