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installer.exe

The application installer.exe has been detected as a potentially unwanted program by 2 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.desk2opapps.com.
MD5:
04995a02a669a1edb8cb362ce462dc2f

SHA-1:
3d5ac6387738a9f54b7c1fa0d009a8c1fc86f57b

SHA-256:
c1f60616f88330ca7e07b4f71b13cdf2a3bd751f7979014320d282782e7082d3

Scanner detections:
2 / 68

Status:
Potentially unwanted

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

Analysis date:
4/26/2024 10:36:11 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/OutBrowse.M potentially unwanted application
6.3

Reason Heuristics
Bundler.OutBrowse.ET (M)
16.11.12.11

File size:
102 KB (104,485 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

File PE Metadata
Compilation timestamp:
12/6/2009 12:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:OgXdZt9P6D3XJBCx5Ky/9XO3jR0eWSzUu/0WQ:Oe34GxUQ9OzRgW/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:
7.6694

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://get.desk2opapps.com/.../GetMar?p=3022&d=9180&l=1694&n=0&d1=1&clickid=ZkdXVpZD1lN2U4NWE2Ny1hMGFhLTQ2MjItYWE4MS1iYzVjMjExZWJkOWM

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