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updateself.exe

Kingsoft Office

Zhuhai Kingsoft Office Software Co.,Ltd

The executable updateself.exe, “Kingsoft Office Expansion tool” has been detected as malware by 36 anti-virus scanners. Infected by an entry-point obscuring polymorphic file infector which will create a peer-to-peer botnet and receives URLs of additional files to download.
Publisher:
Zhuhai Kingsoft Office Software Co.,Ltd

Product:
Kingsoft Office

Description:
Kingsoft Office Expansion tool

Version:
9,1,0,4480

MD5:
4edacf381ea68ac760ce657c8e440a54

SHA-1:
7a71c76604ecdc5e7e8e547bb7846a4f9b697de7

SHA-256:
e1a8d57fa89d8a1a486e6c69d4b69f7a84eafdb9822fa29e29d169f9d3d822ec

Scanner detections:
36 / 68

Status:
File is infected by a Virus

Explanation:
The file is infected by a polymorphic file infector virus.

Analysis date:
8/28/2025 11:52:11 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Sality.3
798

Agnitum Outpost
Win32.Sality.AP.Gen
7.1.1

AhnLab V3 Security
Win32/Kashu.E
2014.11.29

Avira AntiVirus
W32/Sality.AT
7.11.30.172

avast!
Win32:Kukacka
141119-1

AVG
Win32/Sality
2014.0.4189

Baidu Antivirus
Virus.Win32.Sality.$Emu
4.0.3.141128

Bitdefender
Win32.Sality.3
1.0.20.1660

Bkav FE
W32.Sality.PE
1.3.0.6267

Comodo Security
Virus.Win32.Sality.Gen
20223

Dr.Web
Win32.Sector.21
9.0.1.05190

Emsisoft Anti-Malware
Win32.Sality
14.11.28

ESET NOD32
Win32/Sality.NBA virus
7.0.302.0

F-Prot
W32/Virut.AI!Generic
4.6.5.141

F-Secure
Win32.Sality.3
11.2014-28-11_6

G Data
Win32.Sality
14.11.24

IKARUS anti.virus
Virus.Win32.Sality
t3scan.1.8.3.0

K7 AntiVirus
Virus
13.186.14174

Kaspersky
Virus.Win32.Sality
15.0.0.543

McAfee
W32/Sality.gen.z
5600.6932

Microsoft Security Essentials
Threat.Undefined
1.189.915.0

MicroWorld eScan
Win32.Sality.3
15.0.0.996

NANO AntiVirus
Virus.Win32.Sality.yusp
0.28.6.63726

Norman
Sality.ZHB
11.20141128

Panda Antivirus
W32/Sality.AA
14.11.28.05

Qihoo 360 Security
Malware.QVM19.Gen
1.0.0.1015

Quick Heal
W32.Sality.U
11.14.14.00

Rising Antivirus
PE:Win32.KUKU.kt!1591113
23.00.65.141126

Sophos
Mal/Sality-D
4.98

Total Defense
Win32/Sality.AA
37.0.11303

Trend Micro House Call
PE_SALITY.RL
7.2.332

Trend Micro
PE_SALITY.RL
10.465.28

Vba32 AntiVirus
Virus.Win32.Sality.bakb
3.12.26.3

VIPRE Antivirus
Threat.4721115
35224

ViRobot
Win32.Sality.N
2011.4.7.4223

Zillya! Antivirus
Virus.Sality.Win32.20
2.0.0.1995

File size:
272.8 KB (279,384 bytes)

Product version:
9,1,0,4480

Copyright:
Copyright©1988-2013 Zhuhai Kingsoft Office Software Co., Ltd.All rights reserved.

Original file name:
updateself.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\kingsoft\kingsoft office\wtoolex\updateself.exe

File PE Metadata
Compilation timestamp:
12/27/2013 5:49:40 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:4cz3NlF/rgy8vugRqiXuyDrv28YhDeUuxUc7mQVmkwXw9:RjNlWxBqiXuyvv28YhSHwXw9

Entry address:
0xD48A

Entry point:
60, 81, FE, BB, 8C, 00, 00, 73, 0B, 8D, 05, 3A, 42, 86, CF, 0F, AF, C5, D1, DF, 30, FA, 03, F6, 3D, F8, 88, 00, 00, 72, 02, 89, D6, 3C, 7F, 29, D7, C7, C5, B5, 2D, 68, FE, 81, C3, 1E, 68, 00, 00, F7, D8, 81, EB, C4, 0B, 00, 00, 0F, C0, DA, 69, D7, 8C, 19, 7D, DF, C7, C6, 7B, DC, 4E, 51, F7, DF, 0F, A4, E8, 78, 0F, BA, F0, A2, 43, E8, 56, 00, 00, 00, 0F, A3, CA, F7, DD, C7, C2, 8D, F1, 47, E8, 0B, FB, 03, DA, 8A, F6, F2, B8, 00, 00, 00, 00, 81, FD, 1E, 4C, 00, 00, 76, 07, 46, 0F, BC, FA, 0F, A3, DB, 0F, BA...
 
[+]

Entropy:
7.0616

Code size:
136 KB (139,264 bytes)

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