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installer.exe

The application installer.exe has been detected as a potentially unwanted program by 6 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 ads.adsrvmedia.com.
MD5:
0c992a5ce6b9601a2b565914f785d097

SHA-1:
b6f46941c1332cba1a2987d0d84579eaeab929bf

SHA-256:
8f293034580eda352a816d74e696fd69d07bf4ed98e5fb320d080d5932f86a77

Scanner detections:
6 / 68

Status:
Potentially unwanted

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

Analysis date:
11/27/2024 1:18:04 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:PUP-gen [PUP]
160327-1

Dr.Web
Detection.Undefined
9.0.1.05190

ESET NOD32
Win32/OutBrowse.L potentially unwanted application
8.0.319.0

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
15.0.0.562

McAfee
Program.Adware-OutBrowse
18.0.204.0

Reason Heuristics
PUP.OutBrowse (M)
16.4.2.10

File size:
102 KB (104,401 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 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:agXdZt9P6D3XJ2Cf5Ky/9XO3jR0eWSzUu/0Wq:ae34lfUQ9OzRgW/c9

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:
7.6692

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://ads.adsrvmedia.com/event/click/0/TZiWfEYBAorqRI9rQ6sHZ0yZ4LFiUjEui4G927ZbQYIO7g7B-CUzsK-YGxRGzs8K1GbtXxiZ0yzj9wm7OjmiUYeFIW3y_C8pLg_XcH1tZNs9RDSeJFYCkQ8FZi-AJ44WrqTeObceg07lbocEVN8XR3PJIl5LKcAtJxellV7kqwaEyvPPp2LgL0fy-rtbfC8137TBfzFDuyxV70EX6Mco-P1TG4gyrvfrue19mDfRKjr0pqwBxXrQCkWAX_9NWSbz6NK0H8snCHbcQwVkV0lMpa_wYpU38xtiE7FqR2F_zieX_7_FYntNsMKjyLqTwcY3i6Bly7UiTdMrfXjE-26nTyhoc1mYU5cNQaDwc9uWf9pIYdHr76M5JyNVJN4Rwz_ndReA//

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