installer_regwork.exe

Amptek Limited

The application installer_regwork.exe by Amptek Limited has been detected as adware by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from www.open-your-files.com and multiple other hosts.
Publisher:
Amptek Limited  (signed and verified)

MD5:
2beb793189256541adb880feaba3a724

SHA-1:
4feb6b5b4b926357470a1a439fb20a6207981d07

SHA-256:
0a9f25b4857ea662e8ba9323e5e55d8bc214641a113ced2ca5a6a46e3c63be50

Scanner detections:
4 / 68

Status:
Adware

Analysis date:
11/15/2024 3:03:02 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/RegRevive.A.24
7.11.108.198

Comodo Security
UnclassifiedMalware
17137

ESET NOD32
Win32/Adware.RegRevive (variant)
8.8944

Reason Heuristics
PUP.AmptekLimited.R
14.11.21.23

File size:
1.9 MB (1,981,952 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:

Authority:
VeriSign, Inc.

Valid from:
6/6/2012 7:00:00 PM

Valid to:
10/12/2013 6:59:59 PM

Subject:
CN=Amptek Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Amptek 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:
55B30AAE501ADA359698E3025A847E57

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):
49152:ilt+H1LwYBviQciWHfXFzNNzhi2SzPc7z7GDW:3HBwYpiQ+/1zjzhipyHKW

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:
7.9897

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 2 URLs.

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