TSPY_TEPFER.AFQ

January 30, 2013
 Analysis by: Mark Joseph Manahan
 ALIASES:

Trojan-PSW.Win32.Tepfer.evuh (Kaspersky), PWS:Win32/Fareit (Microsoft)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Dropped by other malware, Downloaded from the Internet

This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

113,152 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

29 Jan 2013

Payload:

Downloads files

Arrival Details

This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other System Modifications

This spyware adds the following registry entries:

HKEY_CURRENT_USER\Software\WinRAR
HWID = "{random GUID}"

Download Routine

This spyware connects to the following website(s) to download and execute a malicious file:

  • http://www.{BLOCKED}s-stehmann.de/aWNTrz.exe
  • http://{BLOCKED}zel-pommes.de/feemCrW.exe
  • http://{BLOCKED}inmyserver.com/V2n2GU.exe

It saves the files it downloads using the following names:

  • %User Temp%\{random number}.exe - TSPY_ZBOT.AFQ

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

Information Theft

This spyware attempts to steal stored account information used in the following installed File Transfer Protocol (FTP) clients or file manager software:

  • AceFTP
  • 32BitFtp
  • 3D-FTP
  • BPFTP
  • BlazeFtp
  • BulletProof FTP Client
  • DeluxeFTP
  • EasyFTP
  • Estsoft
  • FFFTP (Sota)
  • FTP CONTROL
  • FTP Commander
  • FTP Explorer
  • FTP Navigator
  • FTP Now
  • FTP++
  • FTPCON
  • FTPClient
  • FTPGetter
  • FTPRush
  • FTPShell
  • FTPVoyager
  • FTPWare
  • Far Manager
  • FileZilla
  • FreshFTP
  • Ghisler
  • GlobalSCAPE CuteFTP 6 Home
  • GlobalSCAPE CuteFTP 6 Professional
  • GlobalSCAPE CuteFTP 7 Home
  • GlobalSCAPE CuteFTP 7 Professional
  • GlobalSCAPE CuteFTP 8 Home
  • GlobalSCAPE CuteFTP 8 Professional
  • GoFTP
  • Ipswitch WS_FTP
  • LeapWare LeapFTP
  • LeechFTP
  • LinasFTP
  • MAS-Soft FTPInfo
  • MS IE FTP Passwords
  • NCH Software ClassicFTP
  • NovaFTP
  • Robo-FTP 3.7
  • SmartFTP
  • SoftX.org FTPClient
  • Staff-FTP
  • TurboFTP
  • WS_FTP
  • WinFTP
  • Ftp Winzip (Nico Mak Computing)
  • Coffee Cup Free FTP
  • PuTTY
  • salt-ftp

It gathers the following account information from any of the mentioned File Transfer Protocol (FTP) clients or file manager software:

  • Directory list
  • Password
  • Port Number
  • Server Name
  • Server Type
  • User Name

It attempts to steal stored email credentials from the following:

  • Outlook
  • Windows Mail
  • Windows Live Mail
  • Pocomail
  • IncrediMail
  • BatMail
  • Thunderbird

It attempts to get stored information such as user names, passwords, and hostnames from the following browsers:

  • FastStone Browser
  • Flock Browser
  • Google Chrome
  • Internet Explorer
  • K-Meleon
  • Mozilla Firefox
  • Opera Browser
  • RockMelt

Stolen Information

This spyware sends the gathered information via HTTP POST to the following URL:

  • http://13.{BLOCKED}sesoriskomputer.com/ponyb/gate.php
  • http://13.{BLOCKED}itydegree-online.com/ponyb/gate.php
  • http://13.{BLOCKED}llegeloans.org/ponyb/gate.php
  • http://14.{BLOCKED}erviewpreparation.org/ponyb/gate.php

NOTES:

This spyware uses the following list of user names and passwords to access password-protected locations where the aforementioned information are stored:

  • 000000
  • 11111
  • 111111
  • 11111111
  • 112233
  • 123123
  • 123321
  • 1234567
  • 123456789
  • 1234567890
  • 123abc
  • 123qwe
  • 1q2w3e
  • 1q2w3e4r
  • 222222
  • 55555
  • 654321
  • 666666
  • 7777777
  • aaaaaa
  • adidas
  • admin
  • amanda
  • andrew
  • angel
  • angel1
  • angels
  • anthony
  • apple
  • asdfasdf
  • asdfgh
  • ashley
  • asshole
  • austin
  • bailey
  • banana
  • bandit
  • baseball
  • batman
  • benjamin
  • billgates
  • biteme
  • blabla
  • blahblah
  • blessed
  • blessing
  • blink182
  • bubbles
  • buster
  • canada
  • cassie
  • charlie
  • cheese
  • chelsea
  • chicken
  • chris
  • christ
  • church
  • cocacola
  • compaq
  • computer
  • cookie
  • corvette
  • creative
  • dakota
  • dallas
  • daniel
  • danielle
  • david
  • destiny
  • dexter
  • diamond
  • digital
  • dragon
  • eminem
  • emmanuel
  • enter
  • faith
  • flower
  • foobar
  • football
  • football1
  • forever
  • forum
  • freedom
  • friend
  • friends
  • fuckoff
  • fuckyou
  • fuckyou1
  • gates
  • gateway
  • genesis
  • george
  • gfhjkm
  • ghbdtn
  • ginger
  • google
  • grace
  • green
  • guitar
  • hahaha
  • hallo
  • hannah
  • happy
  • hardcore
  • harley
  • heaven
  • hello1
  • helpme
  • hockey
  • hotdog
  • hunter
  • ilovegod
  • iloveyou
  • iloveyou!
  • iloveyou1
  • iloveyou2
  • internet
  • james
  • jasmine
  • jason
  • jasper
  • jennifer
  • jessica
  • jesus1
  • john316
  • jordan
  • jordan23
  • joseph
  • joshua
  • junior
  • justin
  • killer
  • kitten
  • knight
  • london
  • looking
  • lovely
  • loving
  • lucky
  • maggie
  • master
  • matrix
  • matthew
  • maverick
  • maxwell
  • merlin
  • michael
  • michelle
  • mickey
  • microsoft
  • monkey
  • mother
  • muffin
  • mustang
  • mustdie
  • mylove
  • myspace1
  • nathan
  • nicole
  • nintendo
  • nothing
  • onelove
  • online
  • orange
  • passw0rd
  • peace
  • peaches
  • peanut
  • pepper
  • pokemon
  • power
  • praise
  • prayer
  • prince
  • princess
  • purple
  • qazwsx
  • qwert
  • qwerty1
  • rachel
  • rainbow
  • red123
  • richard
  • robert
  • rotimi
  • samantha
  • sammy
  • samuel
  • saved
  • scooby
  • scooter
  • secret
  • shadow
  • shalom
  • silver
  • single
  • slayer
  • smokey
  • snoopy
  • soccer
  • soccer1
  • sparky
  • spirit
  • startrek
  • starwars
  • stella
  • summer
  • sunshine
  • superman
  • taylor
  • testing
  • testtest
  • thomas
  • thunder
  • tigger
  • trinity
  • trustno1
  • victory
  • viper
  • welcome
  • whatever
  • william
  • windows
  • winner
  • wisdom
  • zxcvbnm

  SOLUTION

Minimum Scan Engine:

9.300

FIRST VSAPI PATTERN FILE:

9.688.04

FIRST VSAPI PATTERN DATE:

29 Jan 2013

VSAPI OPR PATTERN File:

9.689.00

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Remove malware/grayware files dropped/downloaded by TSPY_TEPFER.AFQ

    TSPY_ZBOT.AFQ

Step 3

Identify and terminate files detected as TSPY_TEPFER.AFQ

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 4

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

 
  • In HKEY_CURRENT_USER\Software\WinRAR
    • HWID = "{random GUID}"

Step 5

Scan your computer with your Trend Micro product to delete files detected as TSPY_TEPFER.AFQ. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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