windesk_winsearch_silents3.exe

PC Software

The application windesk_winsearch_silents3.exe by PC Software has been detected as a potentially unwanted program by 7 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The installer uses the InstallMonetizer platform which will donwload and install adware toolbars and other potentially unwanted software offers during setup. The file has been seen being downloaded from secured.cdnawbwest.us and multiple other hosts.
Publisher:
PC Software  (signed and verified)

MD5:
c59f215c90411f533a55a921a1c2b01b

SHA-1:
5c535cb631d8750a6123d75bf198ea4af18615e7

SHA-256:
da99efd6f678f02219045d0051d86faf2b8932f50c80b043d3057ef7296c3a7f

Scanner detections:
7 / 68

Status:
Potentially unwanted

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

Analysis date:
11/27/2024 3:29:22 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
PUA/Vittalia.Gen
8.3.2.2

AVG
Generic
2016.0.2990

Comodo Security
Application.Win32.InstallMonetizer.~AS
23207

Dr.Web
Adware.Searcher.2851
9.0.1.0253

Malwarebytes
PUP.Optional.WindeskWinsearch
v2015.09.10.08

Sophos
Winsearch (PUA)
4.98

VIPRE Antivirus
InstallMonetizer
43638

File size:
1001.1 KB (1,025,136 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\windesk_winsearch_silents3.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
9/9/2014 7:00:00 PM

Valid to:
9/10/2015 6:59:59 PM

Subject:
CN=PC Software, O=PC Software, STREET=5655 Silver Creek Valley Road, L=San Jose, S=CA, PostalCode=95138, C=US

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00FFFC8D338C67107439C065EF8036902F

File PE Metadata
Compilation timestamp:
12/5/2009 4:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:dFp3cqC3ZPSf9rfYmxqyc1ABDodsOkhiABj80fisDpH3/BiiMI:rpMqCqJfhofuadHkhig80f7PBh

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9571

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file windesk_winsearch_silents3.exe has been seen being distributed by the following 2 URLs.

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