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doubletwistsetup.exe

doubleTwist Corporation

The application doubletwistsetup.exe by doubleTwist has been detected as a potentially unwanted program by 10 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. The file has been seen being downloaded from download.doubletwist.com and multiple other hosts.
Publisher:
doubleTwist Corporation  (signed and verified)

MD5:
f784409249c116ba5eab9bfe8101e393

SHA-1:
338fa3b6ac3c0f598ccffbc8267bdf1803c6887f

SHA-256:
11f6da2b46e08f6333824f899d70c1cd2767925fc5769d3649b358fee82f09c3

Scanner detections:
10 / 68

Status:
Potentially unwanted

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
12/26/2024 1:12:35 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OpenCandy
7.1.1

ESET NOD32
Win32/OpenCandy
8.9639

Fortinet FortiGate
Adware/OpenCandy
4/20/2014

K7 AntiVirus
Unwanted-Program
13.176.11663

Kaspersky
not-a-virus:AdWare.Win32.OpenCandy
14.0.0.3990

Malwarebytes
PUP.Optional.OpenCandy
v2014.04.20.01

Quick Heal
Adware.OpenCandy.c (Not a Virus)
4.14.12.00

Reason Heuristics
PUP.Installer.doubleTwistCorporation.Q
14.7.10.2

Rising Antivirus
PE:PUF.OpenCandy!1.9DE5
23.00.65.14418

Vba32 AntiVirus
AdWare.OpenCandy
3.12.26.0

File size:
1.2 MB (1,307,016 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
doubleTwist Corporation

Authority:
Thawte, Inc.

Valid from:
4/26/2012 7:00:00 PM

Valid to:
4/27/2013 6:59:59 PM

Subject:
CN=doubleTwist Corporation, O=doubleTwist Corporation, L=San Francisco, S=California, C=US

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
76841B75BB05730DAF509BC51CB852FC

File PE Metadata
Compilation timestamp:
7/6/2011 9:31:20 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:UmJk0O671jAxg6Kwl6lMqjcWKkQAlGVFyitu/fa6ClaKTPqlkUB1QEIMq:UEf8i6KwEMqjcWfsyou/y6CoKb/UBaEw

Entry address:
0x354B

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 84, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, B0, 82, 40, 00, 6A, 08, A3, 98, 06, 47, 00, E8, 67, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, 05, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 86, 40, 00, FF, 15, 80, 81, 40, 00, 68, 04, 86, 40, 00, 68, A0, 85, 46, 00, E8, 35, 26, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 10, 4C, 00, 57, E8, 23, 26, 00, 00...
 
[+]

Entropy:
7.3374

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

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

http://download.doubletwist.com/doubleTwistSetup.exe

http://downloads.pcworld.com/pub/new//smart_phones/.../doubleTwistSetup.exe

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