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kwinso_uninstall.exe

SIAD

The application kwinso_uninstall.exe by SIAD has been detected as a potentially unwanted program by 14 anti-malware scanners. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. This is a trojan Bot that uses IRC to communicate with a comand and control network. The Trojan drops other malicious software and opens a backdoor on the infected computer and will run automatically on each boot.
Publisher:
SIAD  (signed and verified)

MD5:
4a74099e59a491aa69499fb5f3fd76ac

SHA-1:
6a4ac1342bd1053ccdee9789d15b792115df7ddb

Scanner detections:
14 / 68

Status:
Potentially unwanted

Explanation:
Part of a backdoor IRC bot network.

Analysis date:
4/19/2024 2:30:39 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Trojan.Heur.2yXa40aWcxdG
699

Agnitum Outpost
TrojanSpy.Agent
7.1.1

Avira AntiVirus
TR/Spy.887344
7.11.135.30

avast!
Win32:PUP-gen [PUP]
2014.9-150307

Bitdefender
Gen:Trojan.Heur.2yXa40aWcxdG
1.0.20.330

Bkav FE
W32.Clod123.Trojan
1.3.0.4959

Comodo Security
UnclassifiedMalware
17892

Emsisoft Anti-Malware
Gen:Trojan.Heur.2yXa40aWcxdG
8.15.03.07.11

F-Prot
W32/Themida_Packed
v6.4.7.1.166

F-Secure
Gen:Trojan.Heur.2yXa40aWcxdG
11.2015-07-03_7

G Data
Gen:Trojan.Heur.2yXa40aWcxdG
15.3.24

IKARUS anti.virus
Trojan.Win32.Spy
t3scan.2.2.29

MicroWorld eScan
Gen:Trojan.Heur.2yXa40aWcxdG
16.0.0.198

VIPRE Antivirus
Backdoor.Win32.Ircbot.gen
27126

File size:
866.5 KB (887,344 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\kwinstart\kwinso_uninstall.exe

Digital Signature
Signed by:
SIAD

Authority:
Thawte, Inc.

Valid from:
8/1/2012 9:00:00 AM

Valid to:
8/2/2013 8:59:59 AM

Subject:
CN=SIAD, O=SIAD, L=Kangnam-gu, S=SEOUL, C=KR

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

Serial number:
67EA27332727640170A0539A5745D745

File PE Metadata
Compilation timestamp:
5/30/2013 10:25:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:1zo17XVsVP72fTr+QmLy16r/hHIkgYGigdPvbnyIrXHPwMIE+NYnhljLA/94oEJh:hM7k7o+G16et7PDj3mYhdY9yJWf2

Entry address:
0x1E9000

Entry point:
83, EC, 04, 50, 53, E8, 01, 00, 00, 00, CC, 58, 8B, D8, 40, 2D, 00, 60, 0A, 00, 2D, 5D, 36, 5F, 00, 05, 52, 36, 5F, 00, 80, 3B, CC, 75, 19, C6, 03, 00, BB, 00, 10, 00, 00, 68, C4, 6E, 80, 2E, 68, 1B, 3E, 1E, 58, 53, 50, E8, 0A, 00, 00, 00, 83, C0, 00, 89, 44, 24, 08, 5B, 58, C3, 55, 8B, EC, 60, 8B, 75, 08, 8B, 4D, 0C, C1, E9, 02, 8B, 45, 10, 8B, 5D, 14, EB, 08, 31, 06, 01, 1E, 83, C6, 04, 49, 0B, C9, 75, F4, 61, C9, C2, 10, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.9066  (probably packed)

Code size:
361.5 KB (370,176 bytes)

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