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bigfarm.exe

Wecan Software

This is the Verti bundle installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application bigfarm.exe by Wecan Software has been detected as adware by 7 anti-malware scanners. The program is a setup application that uses the Verti Setup installer. The file has been seen being downloaded from inst.download-sw.net and multiple other hosts.
Publisher:
Wecan Software  (signed and verified)

Version:
1.0.0.3

MD5:
a6b1a7d9ba92e6ca3ce87c04822ccd26

SHA-1:
eb5eb4ee690ebccb868c86bb0e2a58e0fdfcf257

SHA-256:
06ed3f01ea306bfc47da8bed3a95c687fb52e5df2a6db17628c58b07f8293ce6

Scanner detections:
7 / 68

Status:
Adware

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
12/26/2024 12:06:35 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Rollnon
2015.0.3344

ESET NOD32
Win32/Verti (variant)
8.10389

herdProtect (fuzzy)
variant of pdfcreatorinstaller.exe (Adware)
2014.10.11.18

McAfee
Artemis!79DA512AD361
5600.7000

Reason Heuristics
PUP.WecanSoftware.H
14.9.26.13

Trend Micro House Call
Suspicious_GEN.F47V0804
7.2.264

VIPRE Antivirus
Rocketfuel Installer
32078

File size:
234.7 KB (240,288 bytes)

Product version:
1.0.0.3

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Verti Setup

Language:
English (United States)

Common path:
C:\users\{user}\downloads\bigfarm.exe

Digital Signature
Signed by:
Wecan Software

Authority:
VeriSign, Inc.

Valid from:
7/22/2014 8:00:00 PM

Valid to:
7/23/2015 7:59:59 PM

Subject:
CN=Wecan Software, O=Wecan Software, L=Bellevue, S=Washington, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
1FD8A9E8CBFDDB2724A69194C505EF77

File PE Metadata
Compilation timestamp:
7/31/2014 12:09:12 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:WoupBAM+B58yaU+7BS2GCk+K5z+UDIQR69uoSrrhUlef:aFc58yaU+7BSDCk+K5JDakoSnhUlef

Entry address:
0x14FC50

Entry point:
60, BE, 00, D0, 51, 00, 8D, BE, 00, 40, EE, FF, 57, 89, E5, 8D, 9C, 24, 80, C1, FF, FF, 31, C0, 50, 39, DC, 75, FB, 46, 46, 53, 68, 73, D1, 14, 00, 57, 83, C3, 04, 53, 68, 4B, 2C, 03, 00, 56, 83, C3, 04, 53, 50, C7, 03, 03, 00, 02, 00, 90, 90, 90, 90, 90, 55, 57, 56, 53, 83, EC, 7C, 8B, 94, 24, 90, 00, 00, 00, C7, 44, 24, 74, 00, 00, 00, 00, C6, 44, 24, 73, 00, 8B, AC, 24, 9C, 00, 00, 00, 8D, 42, 04, 89, 44, 24, 78, B8, 01, 00, 00, 00, 0F, B6, 4A, 02, 89, C3, D3, E3, 89, D9, 49, 89, 4C, 24, 6C, 0F, B6, 4A...
 
[+]

Entropy:
7.8991  (probably packed)

Code size:
208 KB (212,992 bytes)

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

http://inst.download-sw.net/dl/547/29489/6109/.../

http://i.download-sw.net/stub/WECAN/.../BigFarm.exe

http://inst.download-sw.net/dl/547/29481/6109/.../

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