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regtasktool_installer.exe

Time Pioneer Limited

The application regtasktool_installer.exe by Time Pioneer Limited has been detected as a potentially unwanted program by 2 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This version of the installer will bundle the Ask.com Toolbar, a potentially unwanted web browser extension. The file has been seen being downloaded from regtask.s3.amazonaws.com and multiple other hosts.
Publisher:
Time Pioneer Limited  (signed and verified)

MD5:
1449d3c68a72d04e18b7fffaaa02ce1a

SHA-1:
328267728d6feaffb1699d78783bd0fa9e7b62ee

SHA-256:
838f4b1a06d71245f2628eae1f3fbd55c529ada84252147fce6acb266212cf08

Scanner detections:
2 / 68

Status:
Potentially unwanted

Explanation:
Bundles that Ask.com toolbar as a third-party offer, a web browser extension that may modify a user's search and home pages.

Analysis date:
4/25/2024 6:55:33 PM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Bundled.Toolbar.Ask (variant)
8.8943

Reason Heuristics
PUP.Optional.TimePioneerLimited.V
14.6.3.9

File size:
353.1 KB (361,616 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Time Pioneer Limited

Authority:
VeriSign, Inc.

Valid from:
3/16/2011 8:00:00 PM

Valid to:
3/16/2013 7:59:59 PM

Subject:
CN=Time Pioneer Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Time Pioneer Limited, L=Hong Kong, S=Hong Kong, C=HK

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:
20B315AEBCCD20C00DD876EF1B0AFC3C

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:je34dFBXWBCvqXj9wEZEuUI82mjF/Dj9kRz330UUuWzA3MWYT+vy4hWX:XFdWBfj9wEZEhI82YF/9kJVfc8vy4hA

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:
7.8499

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://regtask.s3.amazonaws.com/RegtaskTool_Installer.exe

http://d2p7br8pzzn7ig.cloudfront.net/RegtaskFast_Installer.exe

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