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gtaskinpack_setup.exe

Rspark LLC

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application gtaskinpack_setup.exe by Rspark has been detected as adware by 12 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent. It is also typically executed from the user's temporary directory.
Publisher:
Rspark LLC  (signed and verified)

MD5:
7695e187b6d6d280e8af488889ea8f30

SHA-1:
0ba7e4fd00f5118b444a48550709903f0090adb9

SHA-256:
85daf3e11a733960b9224f04ecc79381b1c82f5e22421684b15a5e6a2a0238aa

Scanner detections:
12 / 68

Status:
Adware

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

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:
4/19/2024 3:42:05 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
MemScan:Application.Bundler.Outbrowse.E
560

Bitdefender
MemScan:Application.Bundler.Outbrowse.E
1.0.20.1030

ESET NOD32
Win32/OutBrowse
9.9962

F-Secure
MemScan:Application.Bundler.Outbrowse
11.2015-25-07_7

G Data
MemScan:Application.Bundler.Outbrowse
15.7.24

herdProtect (fuzzy)
variant of pdfunlocker_setup.exe (Adware)
2015.8.26.23

Malwarebytes
PUP.Optional.OutBrowse
v2015.07.25.09

MicroWorld eScan
MemScan:Application.Bundler.Outbrowse.E
16.0.0.618

Qihoo 360 Security
Win32/Application.af9
1.0.0.1015

Reason Heuristics
PUP.Outbrowse.Rspark.Bundler (M)
15.7.25.9

Trend Micro House Call
Suspicious_GEN.F47V0611
7.2.206

VIPRE Antivirus
Trojan.Win32.Generic
30138

File size:
921.2 KB (943,344 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
Rspark LLC

Authority:
DigiCert Inc

Valid from:
11/25/2013 2:00:00 AM

Valid to:
1/26/2015 2:00:00 PM

Subject:
CN=Rspark LLC, O=Rspark LLC, L=Seattle, S=Washington, C=US

Issuer:
CN=DigiCert High Assurance Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0ADE80060D1D9FFF62ADB2CF331C657C

File PE Metadata
Compilation timestamp:
12/6/2009 12:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:sPHXdyZNrNF/4lgGhpwJxmntY1VKc9IsTELQ5:cHXc3BqXp6fScKsILa

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:
7.9174

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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