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installer.exe

The application installer.exe has been detected as a potentially unwanted program by 19 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:
1f160eba6740598f74b6d49845a7b994

SHA-1:
95836bdc96488ce28c009e86dcdc428a144985df

SHA-256:
715c1f20dc1af26cdafbcb5b9c2ec51e137d0c7dcade32c7bf362ebdfb9dc81e

Scanner detections:
19 / 68

Status:
Potentially unwanted

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

Analysis date:
4/25/2024 8:29:51 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.06.19

Avira AntiVirus
PUA/Outbrowse.Gen
8.3.1.6

avast!
PUP-gen [PUP]
150602-1

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/OutBrowse.M potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
6/19/2015

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

G Data
Win32.Application.OutBrowse
15.6.25

K7 AntiVirus
Trojan
13.205.16293

Malwarebytes
PUP.Optional.OutBrowse
v2015.06.19.05

McAfee
Program.Adware-OutBrowse
17.6.569.0

NANO AntiVirus
Trojan.Win32.Generic.cthmwf
0.30.24.2086

Rising Antivirus
PE:Trojan.Win32.Generic.168E759E!378434974
23.00.65.15617

SUPERAntiSpyware
Adware.Downloader/Variant
9805

Total Defense
Win32/Tnega.EKIKMED
37.1.62.1

Trend Micro House Call
TROJ_GEN.R001C0EF315
7.2.170

Trend Micro
TROJ_GEN.R001C0EF315
10.465.19

VIPRE Antivirus
Threat.4823950
41244

File size:
100.5 KB (102,951 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:
12/6/2009 5:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:OgXdZt9P6D3XJBCV05Ky/9XO3jR0eWSzUu/0WV:Oe34GV0UQ9OzRgW/cy

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:
7.6626

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=ZhdXVpZD04YWIwYzhiMC01MTMyLTQwMjMtYWRlNC03NmUxOTZmNTVhYWE

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