lfs_patch_6g14_to_6g16.exe

7-Zip

Igor Pavlov

The executable lfs_patch_6g14_to_6g16.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 www.lfs.net.
Publisher:
Igor Pavlov

Product:
7-Zip

Description:
7z SFX

Version:
9.20

MD5:
41dafdb8e9c2148558049947d9fb3fa7

SHA-1:
610fc52cfae87f4356ab8cf7701c02de2a886544

SHA-256:
802ce1f8f9f6f579c089088645bee1611277c5ba6a7f74cc550a8026b9bba79a

Scanner detections:
9 / 68

Status:
File is infected by a Virus

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

Analysis date:
4/18/2024 11:38:21 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:SaliCode
160216-0

Dr.Web
Win32.Sector.30
9.0.1.05190

ESET NOD32
Win32/Sality.NBA virus
8.0.319.0

F-Prot
W32/Sality.gen2
4.6.5.141

F-Secure
Win32.Sality.3
5.15.21

Kaspersky
Virus.Win32.Sality
15.0.0.562

McAfee
Virus.W32/Sality.gen.z
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.215.966.0

Norman
Win32.Sality.3
29.02.2016 03:11:57

File size:
1.2 MB (1,252,785 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

Common path:
C:\users\{user}\downloads\lfs_patch_6g14_to_6g16.exe

File PE Metadata
Compilation timestamp:
11/18/2010 7:27:33 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:3WvknOMEd/5H1yAqoQY8WwMdrmkFVQsCRmHZw347wNdlINmI0Hmb2z:3UeOM0RH1HqoQXsmIQPgZp7wdIwp42z

Entry address:
0x1D262

Entry point:
89, FA, 8A, E5, 30, CE, F3, 46, 80, C6, 82, 88, FB, 8D, 35, C5, ED, 80, 0B, F7, C5, FB, C6, 6D, 86, F7, C7, DC, BC, DF, 58, 2B, D2, 81, F9, 23, 86, 00, 00, 72, 0A, 38, E0, 8D, 0D, 44, 73, 03, 40, 39, D5, 87, C9, 0F, B6, C0, 77, 04, 87, C5, 8B, C5, 81, C2, 01, 00, 00, 00, 69, C6, 30, 6A, CB, F3, F2, 4F, BE, 18, 2D, 85, 33, B0, DF, 80, D5, 5D, 69, EE, CC, 50, 6F, 0B, 89, CF, 81, FA, 45, 03, 00, 00, 0F, 82, B7, FF, FF, FF, B0, FC, 87, C9, 0F, B6, F4, 80, C3, 8D, E8, 49, 00, 00, 00, 2B, D2, FE, C8, EB, 05, 8A...
 
[+]

Entropy:
7.9309  (probably packed)

Code size:
124.5 KB (127,488 bytes)

The file lfs_patch_6g14_to_6g16.exe has been seen being distributed by the following URL.

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