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yupdater.exe

Yahoo! Messenger

Yahoo! Inc.

The executable yupdater.exe, “Yahoo Auto Updater” 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:
Yahoo! Inc.

Product:
Yahoo! Messenger

Description:
Yahoo Auto Updater

Version:
3,2,0,135

MD5:
44607591ca0499768cd39de82040b4ef

SHA-1:
b8edb038574160d4eec9b16c6715b10709c6a6dd

SHA-256:
f0c37b576fcee70cb90abeaf7e13c028b1e7c6cbc5052b5be9280f37ec8d2db2

Scanner detections:
36 / 68

Status:
File is infected by a Virus

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

Analysis date:
4/19/2024 1:32:02 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Sality.3
922

Agnitum Outpost
Win32.Sality.AP.Gen
7.1.1

AhnLab V3 Security
Win32/Kashu.E
2014.07.28

Avira AntiVirus
W32/Sality.AT
7.11.30.172

avast!
Win32:Kukacka
140617-1

AVG
Win32/Sality
2014.0.3986

Baidu Antivirus
Virus.Win32.Sality.$Emu
4.0.3.14727

Bitdefender
Win32.Sality.3
1.0.20.1040

Bkav FE
W32.Sality.PE
1.3.0.4959

Comodo Security
Virus.Win32.Sality.Gen
18997

Dr.Web
Win32.Sector.21
9.0.1.05190

Emsisoft Anti-Malware
Win32.Sality
8.14.07.27.10

ESET NOD32
Win32/Sality.NBA virus
7.0.302.0

F-Prot
W32/Sality.gen2
4.6.5.141

F-Secure
Win32.Sality.3
11.2014-27-07_1

G Data
Win32.Sality
14.7.24

IKARUS anti.virus
Virus.Win32.Sality
t3scan.1.6.1.0

K7 AntiVirus
Virus
13.181.12846

Kaspersky
Virus.Win32.Sality
15.0.0.494

McAfee
W32/Sality.gen.z
5600.7056

Microsoft Security Essentials
Threat.Undefined
1.179.1326.0

MicroWorld eScan
Win32.Sality.3
15.0.0.624

NANO AntiVirus
Virus.Win32.Sality.yusp
0.28.2.60990

Norman
Sality.ZHB
11.20140727

nProtect
Virus/W32.Sality.D
14.07.27.01

Panda Antivirus
W32/Sality.AA
14.07.27.10

Qihoo 360 Security
Malware.QVM19.Gen
1.0.0.1015

Quick Heal
W32.Sality.U
7.14.14.00

Rising Antivirus
PE:Win32.KUKU.kt!1591113
23.00.65.14725

Sophos
Mal/Sality-D
4.98

Total Defense
Win32/Sality.AA
37.0.11085

Trend Micro House Call
PE_SALITY.RL
7.2.208

Trend Micro
PE_SALITY.RL
10.465.27

Vba32 AntiVirus
Virus.Win32.Sality.bakb
3.12.26.3

VIPRE Antivirus
Threat.4721115
31208

ViRobot
Win32.Sality.N
2011.4.7.4223

File size:
669.3 KB (685,368 bytes)

Product version:
3,2,0,135

Copyright:
Copyright (C) Yahoo! Inc. 1998-2008

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Documents and Settings\{user}\Application data\yahoo!\yupdater\yupdater.exe

File PE Metadata
Compilation timestamp:
9/16/2008 9:59:38 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
12288:TOBOWHgN+iJ8ZkNSe+q9w9f+oYK3jQVKB:Gz6Se+q9wDYK1B

Entry address:
0x42DF4

Entry point:
60, 0F, B3, DF, 32, C4, 0F, CB, D1, FE, B6, 8C, 34, 6B, 69, FA, 09, 54, F3, B9, 81, E9, A5, FB, F2, FF, FF, CA, 81, E9, 5C, 80, 0D, 00, 0F, AF, FE, 0F, CB, 69, F8, 14, 95, D6, 5F, 0F, B6, CE, 40, 0F, CD, 35, 73, 5D, 28, F8, E8, 00, 00, 00, 00, 5F, 39, CA, FF, CD, 0F, C0, D6, C7, C6, 3C, 4B, 39, 9B, 0F, CA, 88, C5, F3, 0F, AB, D5, B2, 8A, 23, D2, 8A, EF, 03, D8, 02, F7, 0F, BE, D5, 8A, C2, 88, C0, 0F, BA, F8, 9A, 3B, E9, 49, F7, D3, 88, E0, 81, FB, 89, 98, 00, 00, 70, 06, C7, C6, 44, 35, 4F, 3A, C6, C7, BA...
 
[+]

Entropy:
6.8266

Code size:
428 KB (438,272 bytes)

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