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dolphin-3.5-x86.exe

7-Zip

Igor Pavlov

The executable dolphin-3.5-x86.exe has been detected as malware by 9 anti-virus scanners. The program is a setup application that uses the 7z Setup installer, however the file is not signed with an authenticode signature from a trusted source. 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 romhustler.net.
Publisher:
Igor Pavlov

Product:
7-Zip

Description:
7z SFX

Version:
9.20

MD5:
d07f9aa509585c47842d6664c7778664

SHA-1:
4f587cc1b184faed4e3ff0e5fdbe7098ffd0c5cb

SHA-256:
fa747dc0198d86a51b4da05b51f4fe9d228151c24ef6c0afe0453212b73db94b

Scanner detections:
9 / 68

Status:
File is infected by a Virus

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

Analysis date:
12/26/2024 1:54:34 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:SaliCode
160327-1

AVG
Win32/Sality
2015.0.4355

Dr.Web
Win32.Sector.30
9.0.1.05190

Emsisoft Anti-Malware
Win32.Sality
11.5.0.6191

F-Prot
W32/Sality.E.gen
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
1.217.1229.0

Norman
Win32.Sality.3
10.04.2016 15:29:17

File size:
4.6 MB (4,873,417 bytes)

Product version:
9.20

Copyright:
Copyright (c) 1999-2010 Igor Pavlov

Original file name:
7z.sfx.exe

File type:
Executable application (Win32 EXE)

Installer:
7z Setup

Language:
English (United States)

Common path:
C:\users\{user}\downloads\dolphin-3.5-x86.exe

File PE Metadata
Compilation timestamp:
11/18/2010 9:57:33 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:ZGcWOcV6iKo4WHVV6eHfCCv03D9AUabsbuxpNsZpzsfQ/eKkqVpQYa:ZGdOcV6J23FCCGAUaTg1xEYa

Entry address:
0x1D262

Entry point:
81, F0, 73, 22, 3C, 73, 88, FB, 08, E5, 78, 05, F3, 13, C1, 3C, 28, 71, 09, 8D, 35, 76, 7F, 79, 56, FE, C6, F3, BE, 88, 09, AE, 91, 87, D2, 81, DD, FA, EE, 44, 05, 69, C6, E5, F6, 1F, 62, 81, F7, 6C, C4, 00, 00, 49, 69, C8, 22, 67, 68, D6, 78, 05, 31, EF, C6, C2, DC, 68, 21, 24, D8, 00, 8A, C2, 0F, BF, EE, C7, C3, DC, 26, 0E, 17, 0F, B7, DD, 69, D9, 76, 38, 1B, 00, E8, 24, 00, 00, 00, 84, FA, 8B, C9, 87, FE, 05, 22, DB, 1C, B6, F3, 88, E5, 68, CD, 78, 00, 00, 4F, 5D, 8B, C8, F3, C7, C1, 21, F9, 0D, 5F, 81...
 
[+]

Entropy:
7.9930  (probably packed)

Code size:
124.5 KB (127,488 bytes)

The file dolphin-3.5-x86.exe has been seen being distributed by the following URL.

http://romhustler.net/emulators/.../29

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