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kitty_nocompress.exe

PuTTY suite

Simon Tatham

The executable kitty_nocompress.exe, “SSH, Telnet and Rlogin client” has been detected as malware by 35 anti-virus scanners. The file has been seen being downloaded from www.9bis.net.
Publisher:
Simon Tatham

Product:
PuTTY suite

Description:
SSH, Telnet and Rlogin client

Version:
Release 1.0

MD5:
dcda866cf3e56c89d1d5e9fabba666fc

SHA-1:
79ec09f00318264030e82a230f0e2d1ffa600aa1

SHA-256:
3c9b00256b5f4a8635e85603a7feb3a4e9919830d88c322a5b2c9a86292664cc

Scanner detections:
35 / 68

Status:
File is infected by a Virus

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

Analysis date:
4/25/2024 10:29:03 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Virtob.Gen.12
968

Agnitum Outpost
Win32.Virut.AB.Gen
7.1.1

AhnLab V3 Security
Win32/Virut.E
2014.06.13

Avira AntiVirus
W32/Virut.Gen
7.11.30.172

avast!
Win32:Scribble
140611-0

AVG
Win32/Virut
2014.0.3955

Baidu Antivirus
Virus.Win32.Virut.$ce
4.0.3.14612

Bitdefender
Win32.Virtob.Gen.12
1.0.20.815

Bkav FE
W32.Vetor.PE
1.3.0.4959

Comodo Security
Virus.Win32.Virut.CE
18523

Dr.Web
Win32.Virut.56
9.0.1.05190

Emsisoft Anti-Malware
Win32.Virtob.Gen.12
8.14.06.12.08

ESET NOD32
Win32/Virut.NBP virus
7.0.302.0

Fortinet FortiGate
W32/Virut.CE
6/12/2014

F-Prot
W32/Virut.E.gen
4.6.5.141

F-Secure
Win32.Virtob.Gen.12
11.2014-12-06_5

G Data
Win32.Virtob.Gen.12
14.6.24

IKARUS anti.virus
Virus.Win32.Virut
t3scan.1.6.1.0

K7 AntiVirus
Virus
13.1712374

Kaspersky
Virus.Win32.Virut
15.0.0.463

McAfee
W32/Virut.n.gen
5600.7102

Microsoft Security Essentials
Threat.Undefined
1.175.1935.0

MicroWorld eScan
Win32.Virtob.Gen.12
15.0.0.489

NANO AntiVirus
Virus.Win32.Virut.hpeg
0.28.0.60253

Norman
Virut.HL
11.20140612

nProtect
Virus/W32.Virut.Gen
14.06.11.01

Panda Antivirus
W32/Sality.AO
14.06.12.08

Quick Heal
W32.Virut.G
6.14.14.00

Rising Antivirus
PE:Win32.Virut.ed!1609883
23.00.65.14610

Sophos
W32/Scribble-B
4.98

Total Defense
Win32/Virut.17408
37.0.10994

Vba32 AntiVirus
Virus.Virut.14
3.12.26.0

VIPRE Antivirus
Threat.410756
29708

ViRobot
Win32.Virut.AL
2011.4.7.4223

Zillya! Antivirus
Virus.Virut.Win32.1939
2.0.0.1821

File size:
1.2 MB (1,302,016 bytes)

Product version:
Release 1.0

Copyright:
Copyright © 1997-2014 Simon Tatham.

Original file name:
PuTTY

File type:
Executable application (Win32 EXE)

Language:
English (United Kingdom)

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

File PE Metadata
Compilation timestamp:
11/25/2001 12:52:37 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
24576:qwgeEc4ZKI9QB2qqUul+OA6O82BGhSRQ3mXx6g1TlglFx2Q8PyZIZxr9TiUCXI6I:pEc4ZKwFqqUul+OA6O82BMOQ3mXx6OTD

Entry address:
0x1110

Entry point:
55, 89, E5, 83, EC, 18, C7, 04, 24, 02, 00, 00, 00, FF, 15, A8, 0C, 52, 00, E8, F8, FE, FF, FF, 90, 8D, B4, 26, 00, 00, 00, 00, 55, 89, E5, 83, EC, 18, C7, 04, 24, 01, 00, 00, 00, FF, 15, A8, 0C, 52, 00, E8, D8, FE, FF, FF, 90, 8D, B4, 26, 00, 00, 00, 00, 55, 89, E5, 53, 83, EC, 14, 8B, 45, 08, 8B, 00, 8B, 00, 3D, 91, 00, 00, C0, 77, 3B, 3D, 8D, 00, 00, C0, 72, 4B, BB, 01, 00, 00, 00, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 08, 00, 00, 00, E8, 93, BB, 0B, 00, 83, F8, 01, 0F, 84, FF, 00, 00, 00, 85, C0...
 
[+]

Entropy:
6.2421

Code size:
753 KB (771,072 bytes)

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

http://www.9bis.net/.../?file=kitty_nocompress.exe&PHPSESSID=75cc2737fb6f018e4b4969f7af1547cf

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