putty.exe

PuTTY suite

Simon Tatham

The executable putty.exe, “SSH, Telnet and Rlogin client” has been detected as malware by 9 anti-virus scanners. This is a setup program which is used to install the application. According to the AV engines that detect this, it is a detection for a file infected by members of the Win32/Ramnit malware family and may drop and load other malware. The file has been seen being downloaded from the.earth.li.
Publisher:
Simon Tatham

Product:
PuTTY suite

Description:
SSH, Telnet and Rlogin client

Version:
Release 0.63

MD5:
4d05b4c8262672f8e13e6fc180bdb562

SHA-1:
ccefbe1d38aad1516259eb65655302c53850ed54

SHA-256:
35eeb12459d89ebd78419a2701fb0183a21b2d22ca1bc9c1ee75f0a9060d2c49

Scanner detections:
9 / 68

Status:
File is infected by a Virus

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

Analysis date:
5/23/2018 11:52:19 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:RmnDrp
160327-1

Dr.Web
Win32.Rmnet.12
9.0.1.05190

Emsisoft Anti-Malware
Win32.Ramnit.N
16.05.01

ESET NOD32
Win32/Ramnit.H virus
8.0.319.0

F-Prot
W32/Ramnit.E
4.6.5.141

Kaspersky
Virus.Win32.Nimnul
15.0.0.562

McAfee
Virus.W32/Ramnit.a
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.219.450.0

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

File size:
588.4 KB (602,549 bytes)

Product version:
Release 0.63

Copyright:
Copyright © 1997-2013 Simon Tatham.

Original file name:
PuTTY

File type:
Executable application (Win32 EXE)

Language:
English (United Kingdom)

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

File PE Metadata
Compilation timestamp:
8/7/2013 12:12:38 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
7.10

CTPH (ssdeep):
12288:VJBMOkce9dgHs+UTVhdK12cJOs60uIFcIZ56:VJyOkPj+UXoIUN6Nf456

Entry address:
0x7D000

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:
344 KB (352,256 bytes)

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

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