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wuu_utiltop.exe

POSTMEDIA Co.,Ltd

The application wuu_utiltop.exe by POSTMEDIA Co.,Ltd 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.
Publisher:
POSTMEDIA Co.,Ltd  (signed and verified)

MD5:
ec59817c15f496acc173e05bd1ede6ca

SHA-1:
2d7926327d5110cf24e6d7ea235981e07e43b7fe

SHA-256:
878e34e2390dd920fb022a06b40e4c8ab6bb31b85a915807976c4c2fbd666bc2

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:
12/28/2024 5:18:52 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.10.12.10

File size:
1.1 MB (1,122,256 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\roaming\microsoft\windows\templates\wuu_utiltop.exe

Digital Signature
Signed by:
POSTMEDIA Co.,Ltd

Authority:
Thawte, Inc.

Valid from:
12/20/2011 4:00:00 PM

Valid to:
12/20/2012 3:59:59 PM

Subject:
CN="POSTMEDIA Co.,Ltd", OU=Dev Team, O="POSTMEDIA Co.,Ltd", L=Nam-gu, S=Busan, C=KR

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

Serial number:
33ECF497326D13379460AA0A8B831B35

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:PqZDHXqtadC3NJQV8cRhj3c6s8fvY1mZXNdFAIUnvcbC5NUicbJd5A8VbJd5A8t:eHXddyJO8f8o4NF7Cc+5yicbSGbSG

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:
7.9856

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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