webssearches_installer_20140723.exe

WebsSearches

The application webssearches_installer_20140723.exe has been detected as a potentially unwanted program by 9 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 dm930xmxv1gqs.cloudfront.net and multiple other hosts.
Publisher:
WebsSearches

Product:
WebsSearches

Version:
1.0

MD5:
581525d2c0eb939f90f0515cfd5ec62f

SHA-1:
37ba3d91040fc9131a4f4de788e1e1f4fd085065

SHA-256:
ccfa67f703c8a7f98e3c8570e70a30fa9d50b148efd10c0f89c829eb63d18c46

Scanner detections:
9 / 68

Status:
Potentially unwanted

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

Analysis date:
4/26/2024 9:54:16 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

Baidu Antivirus
Trojan.Win32.StartPage
4.0.3.1486

Kaspersky
Trojan.Win32.StartPage
14.0.0.3447

McAfee
Artemis!581525D2C0EB
5600.7046

NANO AntiVirus
Trojan.Win32.Generic.dbxkzp
0.28.2.61148

Panda Antivirus
Trj/Chgt.A
14.08.06.01

Qihoo 360 Security
Win32/Trojan.d44
1.0.0.1015

Quick Heal
Trojan.StartPage.r5
8.14.14.00

Trend Micro House Call
TROJ_GEN.R0C9H07GC14
7.2.218

File size:
540.8 KB (553,762 bytes)

Product version:
1.0.0.0

Copyright:
© WebsSearches

Trademarks:
WebsSearches

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\webssearches_installer_20140723.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):
12288:yVNXmrCU1MrgmnsclbbMKFcKlZjK+CX7K9X9yNU54XNkcFfx2App8DA6E:yVNcR1MrgmscCKFcmVK+zXl4dFfA8

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file webssearches_installer_20140723.exe has been seen being distributed by the following 3 URLs.

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