TSPY_TEPFER.UYG

This spyware is distributed through ATO tax spam.

To get a one-glance comprehensive view of the behavior of this Spyware, refer to the Threat Diagram shown below.

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.

It executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

It deletes itself after execution.

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.

Download Routine

This spyware connects to the following URL(s) to download its component file(s):

• http://{BLOCKED}t.net:8080/ponyb/gate.php
• http://{BLOCKED}.{BLOCKED}.180.139:8080/ponyb/gate.php
• http://{BLOCKED}c.fm:8080/ponyb/gate.php
• http://{BLOCKED}pioneers.at:8080/ponyb/gate.php
• http://www.{BLOCKED}es.com/Avw.exe
• http://{BLOCKED}sforless.com/rqY.exe
• http://{BLOCKED}RASEEDS.COM/x2ofv0.exe

Trend Micro detects the dowloaded file as:

• TSPY_ZBOT.UYG

It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.

Information Theft

This spyware steals email account information from the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Internet Account Manager\Accounts

HKEY_CURRENT_USER\Software\Microsoft\
Office\Outlook\OMI Account Manager\
Accounts

HKEY_CURRENT_USER\Software\Microsoft\
Windows NT\CurrentVersion\Windows Messaging Subsystem\
Profiles\Microsoft Outlook Internet Settings

HKEY_CURRENT_USER\Software\Microsoft\
Windows NT\CurrentVersion\Windows Messaging Subsystem\
Profiles\Outlook

HKEY_CURRENT_USER\Software\Microsoft\
Internet Account Manager

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

• BlazeFtp
• COREFTP
• ClassicFTP
• CuteFTP 6 Home
• CuteFTP
• CuteFTP 6 Professional
• CuteFTP 7 Home
• CuteFTP 7 Professional
• CuteFTP 8 Home
• CuteFTP 8 Professional
• CuteFTP Lite
• CuteFTP Pro
• FTP Explorer
• FileZilla
• FlashFXP
• Fling
• Ghisler
• Ipswitch
• LeapFTP
• LeechFTP
• SecureFX
• WebDrive
• WebSitePublisher

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

• FTP destination catalog
• FTP destination password
• FTP destination port
• FTP destination server
• FTP destination user
• FTP profiles
• Host Name
• Initial Directory
• Password
• Port Number
• Server Name
• Terminal Type
• User Name

Other Details

This spyware deletes itself after execution.

NOTES:

It steals the following information:

• HTTP Password
• HTTP Server URL
• HTTP User
• HTTPMail Password2
• HTTPMail Server
• HTTPMail User Name
• IMAP Password
• IMAP Password2
• IMAP Port
• IMAP Server
• IMAP User
• IMAP User Name
• NNTP Email Address
• NNTP Password
• NNTP Password2
• NNTP Server
• NNTP User Name
• POP3 Password
• POP3 Password2
• POP3 Port
• POP3 Server
• POP3 User
• POP3 User Name
• SMTP Email Address
• SMTP Password
• SMTP Password2
• SMTP Port
• SMTP Server
• SMTP User
• SMTP User Name

It uses the followinf sets of usernames and passwords:

• 000000
• 1q2w3e4r
• 1q2w3e
• 123qwe
• 123abc
• 11111
• 12345
• 55555
• 111111
• 112233
• 123123
• 123321
• 123456
• 222222
• 654321
• 666666
• 1234567
• 7777777
• 11111111
• 12345678
• 123456789
• 1234567890
• aaaaaa
• abc123
• adidas
• admin
• amanda
• andrew
• angel1
• angels
• angel
• 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
• christ
• chris
• church
• cocacola
• compaq
• computer
• cookie
• corvette
• creative
• cryptimplus
• dakota
• dallas
• danielle
• daniel
• david
• destiny
• dexter
• diamond
• digital
• dragon
• eminem
• emmanuel
• enter
• faith
• flower
• foobar
• football
• football1
• forever
• forum
• freedom
• friend
• friends
• fuckoff
• fuckyou1
• fuckyou
• gates
• gateway
• genesis
• george
• gfhjkm
• ghbdtn
• ginger
• google
• grace
• green
• guitar
• hahaha
• hallo
• hannah
• happy
• hardcore
• harley
• heaven
• hello1
• hello
• helpme
• hockey
• hotdog
• hunter
• ilovegod
• iloveyou!
• iloveyou
• iloveyou1
• iloveyou2
• internet
• james
• jasmine
• jason
• jasper
• jennifer
• jessica
• jesus1
• jesus
• john316
• jordan23
• jordan
• joseph
• joshua
• junior
• justin
• killer
• kitten
• knight
• letmein
• 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
• password
• password1
• peace
• peaches
• peanut
• pepper
• phpbb
• pokemon
• power
• praise
• prayer
• princess
• prince
• purple
• qazwsx
• qwert
• qwerty1
• qwerty
• 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