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installer.exe

The application installer.exe has been detected as a potentially unwanted program by 8 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.file2desktop.com.
MD5:
1519ca1029bf82017f83a3ad9d867485

SHA-1:
8611e2b24910f5720b0eae20f27b7f8927eba040

SHA-256:
fbd371c52d7dae64e591545b12d4f908c2cb5f7947d31cc5df0c371c6fedda33

Scanner detections:
8 / 68

Status:
Potentially unwanted

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

Analysis date:
4/25/2024 4:58:11 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.OutBrowse
14.04.01

avast!
Win32:Adware-gen [Adw]
2014.9-140401

Dr.Web
Adware.Downware.2081
9.0.1.091

ESET NOD32
Win32/OutBrowse
8.9624

McAfee
Adware-OutBrowse
5600.7173

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.28.0.58873

Qihoo 360 Security
Malware.QVM06.Gen
1.0.0.1015

Trend Micro House Call
TROJ_GEN.R047H06CN14
7.2.91

File size:
102 KB (104,448 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
12/5/2009 3:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:OgXdZt9P6D3XJBCH5Ky/9XO3jR0eWSzUu/0WN:Oe34mHUQ9OzRgW/ci

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

http://get.file2desktop.com/.../Get?p=226&d=4346&l=4140&n=1&productname=skype&clickid=1026e8ebee6fe5fe670cde8efaa5d7

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