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installer.exe

The application installer.exe has been detected as a potentially unwanted program by 15 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:
c46a88895153a93d0b9d47c99c7edeb4

SHA-1:
b25d011751511a15618269c450944823f2b4dc96

SHA-256:
370df75b5989a9fd2aa0e779d19d5634d1d0a245457e7effe89478466593e2de

Scanner detections:
15 / 68

Status:
Potentially unwanted

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

Analysis date:
4/26/2024 10:02:54 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.09.28

avast!
OutBrowse-CP [PUP]
150913-1

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/OutBrowse.M potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
9/28/2015

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

G Data
Win32.Application.OutBrowse
15.9.25

McAfee
Program.Adware-OutBrowse
18.0.204.0

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.30.26.3725

SUPERAntiSpyware
Adware.Downloader/Variant
9602

Total Defense
Win32/Tnega.EKIKMED
37.1.62.1

Trend Micro
TROJ_GEN.R047C0EF915
10.465.28

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.4

VIPRE Antivirus
Threat.4150696
43798

File size:
102 KB (104,482 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:OgXdZt9P6D3XJBCpH5Ky/9XO3jR0eWSzUu/0Wq:Oe34GpHUQ9OzRgW/cR

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:
7.6696

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=ZydXVpZD1iYjRhMWI5Zi1lZDJiLTQ1ZDItOTQ1Ni0yZDRlZWE3NzkyNmM

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