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installer_regwork.exe

Honlyn (Macao Commercial Offshore) Limited

The application installer_regwork.exe by Honlyn (Macao Commercial Offshore) Limited has been detected as a potentially unwanted program by 6 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 regwork.s3.amazonaws.com.
Publisher:
Honlyn (Macao Commercial Offshore) Limited  (signed and verified)

MD5:
e3fba455e111cde09fcfb120229b79ad

SHA-1:
1e9d44cf5786388598f0363541d2e949692e661d

SHA-256:
9e4b9f0f014fce31f3e08cebce2c6991f3a8986ca7f047a137d2d63aa79d3c43

Scanner detections:
6 / 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:
12/28/2024 6:04:05 AM UTC  (today)

Scan engine
Detection
Engine version

Comodo Security
Heur.Suspicious
17137

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

Reason Heuristics
PUP.Optional.HonlynMacaoCommercialOffshoreLimited.R
14.7.2.17

Sophos
RegWork
4.93

Trend Micro House Call
TROJ_GEN.F47V0721
7.2.183

File size:
1.6 MB (1,651,128 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Honlyn (Macao Commercial Offshore) Limited

Authority:
VeriSign, Inc.

Valid from:
7/10/2010 7:00:00 PM

Valid to:
7/24/2012 6:59:59 PM

Subject:
CN=Honlyn (Macao Commercial Offshore) Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Honlyn (Macao Commercial Offshore) Limited, L=Macau, S=Macau, C=MO

Issuer:
CN=VeriSign Class 3 Code Signing 2009-2 CA, OU=Terms of use at https://www.verisign.com/rpa (c)09, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
51646B013CA26E06A37C5AB790DF1B60

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:KH2ksfNklCuaV39vLLvwg5hqwtM/jsTSMCeg2MqWDsH7z7GDNA:L35V39vLLHbi2SzPc7z7GDNA

Entry address:
0x30CB

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, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9860

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file installer_regwork.exe has been seen being distributed by the following URL.

http://regwork.s3.amazonaws.com/Installer_Regwork.exe

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