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winrar.exe

The application winrar.exe has been detected as a potentially unwanted program by 10 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs. The file has been seen being downloaded from get.download2desktop.com.
MD5:
5aca251ee2e8a3df278023afb93d3d02

SHA-1:
07a64598ce4557cf7378d3d9db3e2b9b80ca07b7

SHA-256:
093b76e904fc66cf253e9afc6e5dc06eb3b47d5620e07d15c9b086f98676f130

Scanner detections:
10 / 68

Status:
Potentially unwanted

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Analysis date:
4/25/2024 8:54:20 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.02.07

Avira AntiVirus
APPL/Downloader.Gen
7.11.208.62

Dr.Web
Adware.Downware.2081
9.0.1.037

ESET NOD32
Win32/OutBrowse.L potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
2/6/2015

F-Prot
W32/Outbrowse.B.gen
v6.4.7.1.166

McAfee
Program.Adware-OutBrowse
16.8.708.2

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.30.0.65070

VIPRE Antivirus
Threat.4823950
36694

File size:
102 KB (104,422 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:6gXdZt9P6D3XJWCE5Ky/9XO3jR0eWSzUu/0Wq:6e34lEUQ9OzRgW/ch

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.6687

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://get.download2desktop.com/DownloadManager/Get?p=301&d=3746&l=3578&n=1&d5=34092&exeurl=http://www.rarlab.com/.../wrar500.exe&dynamicname=WinRAR&filename=WinRAR&d1=5021

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