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webclient.exe

The executable webclient.exe has been detected as malware by 10 anti-virus scanners. This is a setup program which is used to install the application. 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. The file has been seen being downloaded from www.autonat.com.
MD5:
3c71f3375a9fe1c3154d15d37db6a9db

SHA-1:
67bdd78d7e5ce4df09215f80983b3a118f050bba

SHA-256:
27fa907539b9bc726f56dfcdccc4559dad630f621ce8cb64977062241af71f7c

Scanner detections:
10 / 68

Status:
File is infected by a Virus

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

Analysis date:
11/24/2024 2:12:35 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:SaliCode
160215-2

AVG
Win32/Sality
2015.0.4530

Dr.Web
Win32.Sector.30
9.0.1.05190

Emsisoft Anti-Malware
Win32.Sality
10.0.0.5366

ESET NOD32
Win32/Sality.NBA virus
7.0.302.0

F-Prot
W32/Sality.gen2
4.6.5.141

Kaspersky
Virus.Win32.Sality
15.0.0.562

McAfee
Virus.W32/Sality.gen.z
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.213.6995.0

Norman
Win32.Sality.3
19.02.2016 10:08:15

File size:
982.3 KB (1,005,904 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\webclient.exe

File PE Metadata
Compilation timestamp:
6/9/2012 8:19:49 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:L2K/GlJJsBuLLQ5pVBrtN10DvY6Y608xHISC:MXM1rtNqDdY60oS

Entry address:
0xAC87

Entry point:
0F, AF, C3, 81, C1, 9B, F9, 38, C8, B5, 9A, 0F, AF, F5, 89, CA, 8D, 35, 4F, DA, DA, 38, 38, E8, 86, E8, 88, DC, 8D, 2D, B8, 3C, F7, 79, C6, C6, 4E, BE, 49, DF, A6, ED, 8B, F7, F6, C0, CA, B5, 5A, 74, 06, C7, C7, 2C, E2, 41, D8, BD, 00, 00, 00, 00, F7, C5, 1F, 6F, 09, 9B, 8D, 0D, C2, F5, 3F, 37, 89, D7, 03, EB, 89, FE, F6, C6, 47, 69, F3, 83, EC, B4, 40, 8D, 55, 00, 0F, B6, F6, 69, CF, 1C, EE, C1, F5, EB, 02, 8A, CA, 8B, C2, 75, 06, 89, CD, B1, 73, 86, CD, 0F, B6, FC, 03, D8, 0F, AF, D7, B4, D0, 84, C9, F7...
 
[+]

Entropy:
7.9540  (probably packed)

Code size:
73 KB (74,752 bytes)

The file webclient.exe has been seen being distributed by the following URL.

http://www.autonat.com/WebClient.exe

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