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installer.exe

The application installer.exe has been detected as a potentially unwanted program by 16 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:
cb52cb2753a3e6b5e7ae4da92801dc8c

SHA-1:
a6ed2a3e25c1f851f2ff8dce2cc87d022feaadcd

SHA-256:
6666d9d8c89d25af223396de1e1f299578971c78aa58b07203a3e4cbd6635e73

Scanner detections:
16 / 68

Status:
Potentially unwanted

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

Analysis date:
4/26/2024 1:43:53 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.05.03

avast!
Rootkit-gen [Rtk]
2014.9-150503

Dr.Web
Threat.Undefined
9.0.1.0123

ESET NOD32
Win32/OutBrowse.M potentially unwanted application
9.7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
5/3/2015

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

G Data
Win32.Application.OutBrowse
15.5.25

herdProtect (fuzzy)
variant of setup.exe
2015.8.1.16

K7 AntiVirus
Trojan
13.203.15786

McAfee
Adware-OutBrowse
5600.6777

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.28.0.59921

SUPERAntiSpyware
Adware.Downloader/Variant
9898

Total Defense
Win32/Tnega.EKIKMED
37.1.62.1

Trend Micro House Call
TROJ_GEN.R0C1H06EQ14
7.2.213

VIPRE Antivirus
Threat.4823950
29732

File size:
102 KB (104,483 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 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:OgXdZt9P6D3XJBCO5Ky/9XO3jR0eWSzUu/0W0:Oe34GOUQ9OzRgW/c3

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 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=ZydXVpZD01ODViOGI5ZC01NWNlLTQ4YWEtOWI0Yi0zZmVjOTFlZjgyYzY

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