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wincpumupdate.exe

Biza Inc.

The application wincpumupdate.exe by Biza has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This file is typically installed with the program winCPUM by bizA Co., Ltd..
Publisher:
Biza Inc.  (signed and verified)

MD5:
bdde6a4bab85294bf606e8c81bcb6c4f

SHA-1:
f40f88d9c922f1f641c4ab9bf20fea2f5c1b88ad

SHA-256:
5ec6084cddf1115f93474c64cde142eb01209e5c692ff8eacda0c20c92eea4fd

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/25/2024 10:53:43 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.8.9.5

File size:
115.1 KB (117,880 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\wincpum\wincpumupdate.exe

Digital Signature
Signed by:
Biza Inc.

Authority:
Thawte, Inc.

Valid from:
12/11/2012 8:00:00 AM

Valid to:
12/12/2013 7:59:59 AM

Subject:
CN=Biza Inc., OU=SE Team, O=Biza Inc., L=Guro-gu, S=Seoul, C=KR

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
41E87615A226069EF2848787D241C3D4

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:XgXdZt9P6D3XJbCKr+i1FH0215vVxBBD69g+qCitkA:Xe344CjHPTDX+kV

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:
7.7436

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file wincpumupdate.exe has been discovered within the following program.

winCPUM  by bizA Co., Ltd.
About 9% of users remove it
 
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