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reguse_installer.exe

Honlyn (Macao Commercial Offshore) Limited

The application reguse_installer.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 regusesoftware.s3.amazonaws.com.
Publisher:
Honlyn (Macao Commercial Offshore) Limited  (signed and verified)

MD5:
96a5286edaca17bfb363de509aaf84ed

SHA-1:
369d5e9589a72db9111420653783023e1d936195

SHA-256:
31b51c358dae0addced670911a7be9d2f059eb62d64adacb9fb898bef7c2cc42

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:
11/15/2024 5:10:43 AM UTC  (today)

Scan engine
Detection
Engine version

Comodo Security
UnclassifiedMalware
17137

ESET NOD32
Win32/Bundled.Toolbar.Ask (variant)
8.8944

Reason Heuristics
PUP.Optional.HonlynMacaoCommercialOffshoreLimited.Q
14.6.12.9

Sophos
RegWork
4.93

Trend Micro House Call
ADW_REGUS
7.2.117

Trend Micro
ADW_REGUS
10.465.27

File size:
4.5 MB (4,769,384 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

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

Authority:
VeriSign, Inc.

Valid from:
7/10/2010 9:00:00 PM

Valid to:
7/24/2012 8:59:59 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 8:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:V30InAGnVNLw8VbqAyINaDjRuKCM8xJKH/DusPcWsT9Dp+sjj+po:JdAIb1gCaZCM8xJKnzMjee

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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

http://regusesoftware.s3.amazonaws.com/Reguse_Installer.exe

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