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installation.exe

The application installation.exe has been detected as a potentially unwanted program by 4 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.down2desk.com.
MD5:
cadde561f18db6d205e51f177d72f7e3

SHA-1:
b4ad57bbba030dd82f7d1337d7a16d395cc55e87

SHA-256:
6b1a0ad042a492d3424e9d4868ae4b701afc4103c45502af8363e924fc00d347

Scanner detections:
4 / 68

Status:
Potentially unwanted

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

Analysis date:
4/25/2024 10:38:46 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Detection.Undefined
9.0.1.05190

ESET NOD32
Win32/OutBrowse.AY potentially unwanted application
8.0.319.0

McAfee
Program.Adware-OutBrowse.b
18.0.204.0

Reason Heuristics
PUP.OutBrowse (M)
16.3.29.17

File size:
520.1 KB (532,551 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
12/5/2009 7:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:thWL31Mxq/hzKNKmo1CK9u5UESdHVc6pdb:tU3v/hzm+wK9u5UESdHVcIb

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...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://get.down2desk.com/.../Get?baidusign=15402652&baidurand=30673

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