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skpupdate.exe

kpupdate

AD79 Corp

The application skpupdate.exe, “kpupdate Setup ” by AD79 Corp has been detected as a potentially unwanted program 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 Inno Setup installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions.
Publisher:
ad79 Communication   (signed by AD79 Corp)

Product:
kpupdate

Description:
kpupdate Setup

MD5:
f9877fae8e5e1d079ce0b1c8cb602778

SHA-1:
8ac1e7e91f3ceeaae917a2a72bb4174378532d18

SHA-256:
35a9af226bab3203fac79cef3119e79e0308d7c2f748793af249ec7ec96ac613

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
4/26/2024 12:08:19 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.CSH (L)
16.12.29.17

File size:
781.5 KB (800,256 bytes)

Product version:
1.0.0

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\appdata\local\temp\skpupdate.exe

Digital Signature
Signed by:
AD79 Corp

Authority:
Thawte, Inc.

Valid from:
8/22/2013 9:00:00 AM

Valid to:
9/22/2014 8:59:59 AM

Subject:
CN=AD79 Corp, O=AD79 Corp, L=Yeonsu-gu, S=Incheon, C=KR

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

Serial number:
3000AE01184DFF956E01F0B36AF80075

File PE Metadata
Compilation timestamp:
6/20/1992 7:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9709

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

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