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Unrar.dll

The library Unrar.dll, “RAR decompression library” has been detected as malware by 11 anti-virus scanners. Accoriding to the detections, it is a variant of Zbot (Zeus), a trojan that attempts to steal confidential information (online credentials, and banking details) from a compromised computer and send it to online criminals via a command-and-control server. The file has been seen being downloaded from pccleanerinc.com.
Description:
RAR decompression library

Version:
3.50

MD5:
712685623f98a4513900cab0b5e7bb9d

SHA-1:
57d9b3debd9867e107d0b277da4c4e6374c6af4b

SHA-256:
93d0448b39bb3c12afb046ebfd4fe05556578b3fb40d04538d4ad6544dbf3c5e

Scanner detections:
11 / 68

Status:
File is infected by a Virus

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

Analysis date:
5/6/2024 11:04:15 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:RmnDrp
150717-0

AVG
Win32/Zbot.F
2015.0.4355

Dr.Web
Win32.Rmnet.12
9.0.1.05190

Emsisoft Anti-Malware
Win32.Ramnit.N
11.5.0.6191

ESET NOD32
Win32/Ramnit.H virus
8.0.319.0

F-Prot
W32/Ramnit.E
4.6.5.141

F-Secure
Win32.Ramnit.N
5.15.96

Kaspersky
Virus.Win32.Nimnul
15.0.0.562

McAfee
Virus.W32/Ramnit.a
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.217.1496.0

Norman
Win32.Ramnit.N
02.04.2016 17:35:19

File size:
265.5 KB (271,879 bytes)

Original file name:
Unrar.dll

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Documents and Settings\{user}\Local settings\temporary internet files\content.ie5\{random}\unrar.dll

File PE Metadata
Compilation timestamp:
9/15/2005 7:40:22 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
5.0

CTPH (ssdeep):
6144:qrDMFfxqJfyq8SbrYHZVT3PetDUolW3qQAzYCsV9LQBtNZuTsr:qrDMdzZV32PzYV6dZuTsr

Entry address:
0x32000

Entry point:
60, E8, 00, 00, 00, 00, 5D, 8B, C5, 81, ED, A8, A6, 01, 20, 2B, 85, 0F, AE, 01, 20, 89, 85, 0B, AE, 01, 20, B0, 00, 86, 85, 40, B0, 01, 20, 3C, 01, 0F, 85, BC, 01, 00, 00, 83, BD, 3B, AF, 01, 20, 00, 74, 33, 83, BD, 3F, AF, 01, 20, 00, 74, 2A, 8B, 85, 0B, AE, 01, 20, 2B, 85, 3B, AF, 01, 20, 8B, 00, 89, 85, 78, AF, 01, 20, 8B, 85, 0B, AE, 01, 20, 2B, 85, 3F, AF, 01, 20, 8B, 00, 89, 85, 7C, AF, 01, 20, EB, 61, 83, BD, 43, AF, 01, 20, 00, 74, 58, 8B, 85, 0B, AE, 01, 20, 2B, 85, 43, AF, 01, 20, FF, 30, 8D, 85...
 
[+]

Packer / compiler:
ASPack v1.08.04

Code size:
132 KB (135,168 bytes)

The file Unrar.dll has been seen being distributed by the following URL.

http://pccleanerinc.com/av_dist/.../unrar.dll

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