ADW_MIRCTURK
Trojan.SpamThru (Symantec); ARC:SIM, PAK:[12]:UPX (Kaspersky); Trojan.SpamThru (Sunbelt)
Windows 2000, Windows XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Adware
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This adware 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
1,329,874 bytes
EXE
No
13 May 2012
Arrival Details
This adware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This adware creates the following folders:
- %User Temp%\$inst
- %Program Files%\mIRCTurk.Com
- %Program Files%\mIRCTurk.Com\mIRCTurk
- %Program Files%\mIRCTurk.Com\mIRCTurk\dlls
- %Program Files%\mIRCTurk.Com\mIRCTurk\RadioSYS
- %Program Files%\mIRCTurk.Com\mIRCTurk\setup
- %Program Files%\mIRCTurk.Com\mIRCTurk\channels
- %Program Files%\mIRCTurk.Com\mIRCTurk\download
- %Program Files%\mIRCTurk.Com\mIRCTurk\logs
- %Program Files%\mIRCTurk.Com\mIRCTurk\sounds
(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.. %Program Files% is the default Program Files folder, usually C:\Program Files.)
Other System Modifications
This adware deletes the following files:
- %User Temp%\$inst\0.tmp
- %User Temp%\$inst\1.tmp
- %User Temp%\$inst\3.tmp
- %User Temp%\$inst\4.tmp
- %User Temp%\$inst\5.tmp
- %User Temp%\$inst\6.tmp
- %User Temp%\$inst\7.tmp
- %User Temp%\$inst\8.tmp
- %User Temp%\$inst\9.tmp
- %User Temp%\$inst\10.tmp
- %User Temp%\$inst\11.tmp
- %User Temp%\$inst\12.tmp
- %User Temp%\$inst\13.tmp
- %User Temp%\$inst\14.tmp
- %User Temp%\$inst\15.tmp
- %User Temp%\$inst\16.tmp
- %User Temp%\$inst\17.tmp
- %User Temp%\$inst\20.tmp
- %User Temp%\$inst\50.tmp
- %User Temp%\$inst\21.tmp
- %User Temp%\$inst\51.tmp
(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.)
It adds the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
mIRCTurk 6.2
HKEY_CURRENT_USER\Software\mIRC
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
mIRC
HKEY_CURRENT_USER\Software\Classes\
.cha
HKEY_CURRENT_USER\Software\Classes\
.chat
HKEY_CURRENT_USER\Software\Classes\
ChatFile
HKEY_CURRENT_USER\Software\Classes\
ChatFile\DefaultIcon
HKEY_CURRENT_USER\Software\Classes\
ChatFile\Shell\open\
command
HKEY_CURRENT_USER\Software\Classes\
ChatFile\Shell\open\
ddeexec
HKEY_CURRENT_USER\Software\Classes\
ChatFile\Shell\open\
ddeexec\Application
HKEY_CURRENT_USER\Software\Classes\
ChatFile\Shell\open\
ddeexec\ifexec
HKEY_CURRENT_USER\Software\Classes\
ChatFile\Shell\open\
ddeexec\Topic
HKEY_CURRENT_USER\Software\Classes\
irc
HKEY_CURRENT_USER\Software\Classes\
irc\DefaultIcon
HKEY_CURRENT_USER\Software\Classes\
irc\Shell\open\
command
HKEY_CURRENT_USER\Software\Classes\
irc\Shell\open\
ddeexec
HKEY_CURRENT_USER\Software\Classes\
irc\Shell\open\
ddeexec\Application
HKEY_CURRENT_USER\Software\Classes\
irc\Shell\open\
ddeexec\ifexec
HKEY_CURRENT_USER\Software\Classes\
irc\Shell\open\
ddeexec\Topic
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
mIRCTurk 6.2
DisplayName = "mIRCTurk 6.2"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
mIRCTurk 6.2
DisplayIcon = "%Program Files%\mIRCTurk.Com\mIRCTurk\Uninstall.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
mIRCTurk 6.2
UninstallString = "%Program Files%\mIRCTurk.Com\mIRCTurk\Uninstall.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
mIRCTurk 6.2
NoModify = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
mIRCTurk 6.2
NoRepair = "1"
HKEY_CURRENT_USER\Software\mIRC
LastRun = "1330100081,0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
mIRC
DisplayIcon = "%Program Files%\mIRCTurk.Com\mIRCTurk\mIRCTurk.exe"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
mIRC
DisplayName = "mIRC"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
mIRC
DisplayVersion = "6.21"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
mIRC
Publisher = "mIRC Co. Ltd."
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
mIRC
UninstallString = "%Program Files%\mIRCTurk.Com\mIRCTurk\mIRCTurk.exe -uninstall"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
mIRC
URLUpdateInfo = "http://www.{BLOCKED}c.com"
HKEY_CURRENT_USER\irc
EditFlags = "{random values}"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
VoiceEnabled = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
UseVoiceTips = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
KeyHoldHotKey = "91"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
UseBeepSRPrompt = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
SRTimerDelay = "7d"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
SRModeID = "{random values}"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
EnableSpeaking = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
UseBalloon = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
UseCharacterFont = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
UseSoundEffects = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
SpeakingSpeed = "5"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
PropertySheetX = "f423f"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
PropertySheetY = "f423f"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
PropertySheetWidth = "0"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
PropertySheetHeight = "0"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
PropertySheetPage = "0"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
CommandsWindowLeft = "ffffffff"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
CommandsWindowTop = "ffffffff"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
CommandsWindowWidth = "c8"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
CommandsWindowHeight = "c8"
HKEY_CURRENT_USER\Software\Microsoft\
Microsoft Agent
CommandsWindowLocationSet = "0"
Dropping Routine
This adware drops the following files:
- %User Temp%\$inst\2.tmp
- %User Temp%\$inst\temp_0.tmp
- %Desktop%\mIRCTurk.lnk
- %Program Files%\mIRCTurk.Com\mIRCTurk\Uninstall.ini
(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.. %Desktop% is the current user's desktop, which is usually C:\Windows\Profiles\{user name}\Desktop on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Desktop on Windows NT, and C:\Documents and Settings\{User Name}\Desktop on Windows 2000, XP, and Server 2003.. %Program Files% is the default Program Files folder, usually C:\Program Files.)
This report is generated via an automated analysis system.
SOLUTION
9.200
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Delete this registry key
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_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
- mIRCTurk 6.2
- In HKEY_CURRENT_USER\Software
- mIRC
- In HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
- mIRC
- In HKEY_CURRENT_USER\Software\Classes
- .cha
- In HKEY_CURRENT_USER\Software\Classes
- .chat
- In HKEY_CURRENT_USER\Software\Classes
- ChatFile
- In HKEY_CURRENT_USER\Software\Classes\ChatFile
- DefaultIcon
- In HKEY_CURRENT_USER\Software\Classes\ChatFile\Shell\open
- command
- In HKEY_CURRENT_USER\Software\Classes\ChatFile\Shell\open
- ddeexec
- In HKEY_CURRENT_USER\Software\Classes\ChatFile\Shell\open\ddeexec
- Application
- In HKEY_CURRENT_USER\Software\Classes\ChatFile\Shell\open\ddeexec
- ifexec
- In HKEY_CURRENT_USER\Software\Classes\ChatFile\Shell\open\ddeexec
- Topic
- In HKEY_CURRENT_USER\Software\Classes
- irc
- In HKEY_CURRENT_USER\Software\Classes\irc
- DefaultIcon
- In HKEY_CURRENT_USER\Software\Classes\irc\Shell\open
- command
- In HKEY_CURRENT_USER\Software\Classes\irc\Shell\open
- ddeexec
- In HKEY_CURRENT_USER\Software\Classes\irc\Shell\open\ddeexec
- Application
- In HKEY_CURRENT_USER\Software\Classes\irc\Shell\open\ddeexec
- ifexec
- In HKEY_CURRENT_USER\Software\Classes\irc\Shell\open\ddeexec
- Topic
- In HKEY_CURRENT_USER\Software\Microsoft
- Microsoft Agent
Step 3
Delete this registry value
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_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\mIRCTurk 6.2
- DisplayName = "mIRCTurk 6.2"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\mIRCTurk 6.2
- DisplayIcon = "%Program Files%\mIRCTurk.Com\mIRCTurk\Uninstall.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\mIRCTurk 6.2
- UninstallString = "%Program Files%\mIRCTurk.Com\mIRCTurk\Uninstall.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\mIRCTurk 6.2
- NoModify = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\mIRCTurk 6.2
- NoRepair = "1"
- In HKEY_CURRENT_USER\Software\mIRC
- LastRun = "1330100081,0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\mIRC
- DisplayIcon = "%Program Files%\mIRCTurk.Com\mIRCTurk\mIRCTurk.exe"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\mIRC
- DisplayName = "mIRC"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\mIRC
- DisplayVersion = "6.21"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\mIRC
- Publisher = "mIRC Co. Ltd."
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\mIRC
- UninstallString = "%Program Files%\mIRCTurk.Com\mIRCTurk\mIRCTurk.exe -uninstall"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\mIRC
- URLUpdateInfo = "http://www.{BLOCKED}c.com"
- In HKEY_CURRENT_USER\irc
- EditFlags = "{random values}"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- VoiceEnabled = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- UseVoiceTips = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- KeyHoldHotKey = "91"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- UseBeepSRPrompt = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- SRTimerDelay = "7d"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- SRModeID = "{random values}"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- EnableSpeaking = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- UseBalloon = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- UseCharacterFont = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- UseSoundEffects = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- SpeakingSpeed = "5"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- PropertySheetX = "f423f"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- PropertySheetY = "f423f"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- PropertySheetWidth = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- PropertySheetHeight = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- PropertySheetPage = "0"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- CommandsWindowLeft = "ffffffff"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- CommandsWindowTop = "ffffffff"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- CommandsWindowWidth = "c8"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- CommandsWindowHeight = "c8"
- In HKEY_CURRENT_USER\Software\Microsoft\Microsoft Agent
- CommandsWindowLocationSet = "0"
Step 4
Search and delete these files
- %User Temp%\$inst\2.tmp
- %User Temp%\$inst\temp_0.tmp
- %Desktop%\mIRCTurk.lnk
- %Program Files%\mIRCTurk.Com\mIRCTurk\Uninstall.ini
Step 5
Search and delete these folders
- %User Temp%\$inst
- %Program Files%\mIRCTurk.Com
- %Program Files%\mIRCTurk.Com\mIRCTurk
- %Program Files%\mIRCTurk.Com\mIRCTurk\dlls
- %Program Files%\mIRCTurk.Com\mIRCTurk\RadioSYS
- %Program Files%\mIRCTurk.Com\mIRCTurk\setup
- %Program Files%\mIRCTurk.Com\mIRCTurk\channels
- %Program Files%\mIRCTurk.Com\mIRCTurk\download
- %Program Files%\mIRCTurk.Com\mIRCTurk\logs
- %Program Files%\mIRCTurk.Com\mIRCTurk\sounds
Step 6
Scan your computer with your Trend Micro product to delete files detected as ADW_MIRCTURK. 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.
Step 7
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- %User Temp%\$inst\0.tmp
- %User Temp%\$inst\1.tmp
- %User Temp%\$inst\3.tmp
- %User Temp%\$inst\4.tmp
- %User Temp%\$inst\5.tmp
- %User Temp%\$inst\6.tmp
- %User Temp%\$inst\7.tmp
- %User Temp%\$inst\8.tmp
- %User Temp%\$inst\9.tmp
- %User Temp%\$inst\10.tmp
- %User Temp%\$inst\11.tmp
- %User Temp%\$inst\12.tmp
- %User Temp%\$inst\13.tmp
- %User Temp%\$inst\14.tmp
- %User Temp%\$inst\15.tmp
- %User Temp%\$inst\16.tmp
- %User Temp%\$inst\17.tmp
- %User Temp%\$inst\20.tmp
- %User Temp%\$inst\50.tmp
- %User Temp%\$inst\21.tmp
- %User Temp%\$inst\51.tmp
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