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winscp577setup.exe

WinSCP

Martin Prikryl

The executable winscp577setup.exe, “Setup for WinSCP 5.7.7 (SFTP, FTP and SCP client) ” has been detected as malware by 12 anti-virus scanners. This is a setup and installation application, 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 cdn.winscp.net.
Publisher:
Martin Prikryl

Product:
WinSCP

Description:
Setup for WinSCP 5.7.7 (SFTP, FTP and SCP client)

Version:
5.7.7

MD5:
4091a3d7980ee0a9b410059d86443587

SHA-1:
f033f28e7d2c190451dac0a4b31799cc4a234278

SHA-256:
57c595562720ce10aaedad734bbd47d53ee5641a4c6ce815971788cee4d716c2

Scanner detections:
12 / 68

Status:
File is infected by a Virus

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

Analysis date:
4/19/2024 1:46:48 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

ESET NOD32
Win32/Sality.NBA virus
8.0.319.0

F-Prot
W32/Sality.gen2
4.6.5.141

F-Secure
Win32.Sality.3
5.15.96

Kaspersky
Virus.Win32.Sality
15.0.0.562

McAfee
Virus.W32/Sality.gen.z
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.217.1832.0

Norman
Win32.Sality.3
02.04.2016 17:35:19

VIPRE Antivirus
Threat.4721115
48758

File size:
5.7 MB (5,989,192 bytes)

Product version:
5.7.7

Copyright:
(c) 2000-2016 Martin Prikryl

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\winscp577setup.exe

File PE Metadata
Compilation timestamp:
7/9/2014 1:28:13 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
98304:QIr4Oga4iTwY4qXppltd8LON1exNH8J78n2SnZ1XHaEQzRrcFSTzV1Zvu+464Hv4:QIrRP4iTwYb5pTd8LON1eTcJ4nXKjzJj

Entry address:
0x113BC

Entry point:
41, 8D, 0D, B5, 28, 67, C7, 81, C9, C5, 02, BC, F3, 68, D7, 44, BE, 00, 53, 88, E7, 41, C6, C2, 44, 8A, DF, 00, FC, F7, C1, 2E, 02, 41, A3, FE, CC, F3, 09, F1, 81, FD, D1, 55, 00, 00, F7, C6, 63, 3C, 72, 4F, 89, D1, C6, C4, 0D, 49, 4D, C7, C3, 1A, 8D, E8, 27, 88, C8, 69, D9, 60, 38, B3, A0, F6, C7, AB, E8, 73, 00, 00, 00, F6, C6, D1, FF, CB, 8B, FB, 89, CE, 86, E9, 8D, 05, 49, 00, 00, 00, F3, 6B, C0, 0C, 8A, F1, F2, 69, D8, 51, AC, 8A, 7F, F3, BD, 89, 51, F1, FF, 85, D9, F2, 81, F5, E1, 0D, 00, 00, 85, FB...
 
[+]

Entropy:
7.9931  (probably packed)

Code size:
63.5 KB (65,024 bytes)

The file winscp577setup.exe has been seen being distributed by the following URL.

https://cdn.winscp.net/.../winscp577setup.exe

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