TrojanSpy.Win32.LOKI.TIOIBYRA
Windows
Threat Type: Trojan Spy
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan Spy 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
Arrival Details
This Trojan Spy 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 Trojan Spy adds the following processes:
- %Program Files%\Darcs/InstallManager.exe -uninstall
- %User Temp%\ceilidh.exe
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
It creates the following folders:
- %User Temp%\lt\cfm\dbi\show_thread\7
- %System Root%\Users
- %User Temp%\lt\cfm
- %User Temp%\crontab\exch\privacy_policy
- %User Temp%\network\null\R\scriptlet
- %User Temp%\crontab\exch\privacy_policy\message\datafiles
- %User Temp%\network
- %User Temp%\network\null\R
- %User Temp%\oldie\cr\ADM
- %User Temp%\bb-hist\psql
- %User Profile%\AppData
- %User Temp%\network\null
- %User Temp%\lt\cfm\dbi
- %User Temp%\oldie
- %User Temp%\lt
- %User Temp%\hitcount\da\phpmyadmin
- %User Temp%\crontab\exch\privacy_policy\message\datafiles\buildr
- %User Temp%\crontab\exch
- %User Temp%\hitcount
- %User Temp%\crontab
- %User Temp%\lt\cfm\dbi\show_thread
- %User Temp%\extensions
- %User Temp%\oldie\cr
- %User Temp%\network\null\R\scriptlet\pear
- %User Temp%\hitcount\da
- %User Temp%\bb-hist
- %User Temp%\crontab\exch\privacy_policy\message
(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(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name} on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
Other System Modifications
This Trojan Spy modifies the following file(s):
- %Windows%\win.ini
(Note: %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.)
It adds the following registry keys:
HKEY_CLASSES_ROOT\VLC\DefaultIcon
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
VLC\DefaultIcon
(Default) = "%Program Files%\Darcs\vlc.exe,0"
Dropping Routine
This Trojan Spy drops the following files:
- %User Temp%\lt\cfm\dbi\show_thread\7\type-ghostscript.xml
- %User Temp%\hitcount\da\phpmyadmin\python3-urllib3.prerm
- %User Temp%\bb-hist\psql\XMLSDKA.HxK
- %User Temp%\oldie\cr\ADM\doculabsws07.gif
- %User Temp%\Calpac
- %User Temp%\network\null\R\scriptlet\pear\model63.xml
- %User Temp%\bb-hist\psql\pgmedge.1.gz
- %User Temp%\ceilidh.exe
- %Start Menu%\Programs\AN-SSRW\AN-SSRW.lnk
- %User Temp%\crontab\exch\privacy_policy\message\datafiles\buildr\undname.exe
- %User Temp%\hitcount\da\phpmyadmin\wns-introclustermcsc01.gif
- %User Temp%\oldie\cr\ADM\pswdfilte.gif
- %User Temp%\network\null\R\scriptlet\pear\gnome-software-common.list
- %User Temp%\hitcount\da\phpmyadmin\x-karbon.xml
- %User Temp%\network\null\R\scriptlet\pear\sproxyui.dll
- %User Temp%\hitcount\da\phpmyadmin\ip-ntable.8.gz
- %User Temp%\hitcount\da\phpmyadmin\wsdl.exe
- %User Temp%\oldie\cr\ADM\VSLauncher.exe
- %User Temp%\lt\cfm\dbi\show_thread\7\loadenv.mod
- %User Temp%\extensions\05030700.xhp
- %User Temp%\bb-hist\psql\indicator40alt.png
- %User Temp%\bb-hist\psql\1501.GIF
- %User Temp%\oldie\cr\ADM\DirControlUI.dll
- %User Temp%\hitcount\da\phpmyadmin\12.opends60.dll
- %User Temp%\SoapSafranine.dll
- %User Temp%\lt\cfm\dbi\show_thread\7\undname.exe
- %User Temp%\bb-hist\psql\9.opends60.dll
- %User Temp%\lt\cfm\dbi\show_thread\7\Local-1046671369vccompattrcomm.gif
- %User Temp%\bb-hist\psql\genpkey.1ssl.gz
- %User Temp%\bb-hist\psql\convert.1.gz
- %User Temp%\network\null\R\scriptlet\pear\roleprivileges.xml
- %User Temp%\bb-hist\psql\makehm.zip
(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(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Start Menu% is the current user's Start Menu folder, which is usually C:\Windows\Start Menu or C:\Documents and Settings\{User name}\Start Menu on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)
This report is generated via an automated analysis system.
SOLUTION
Step 1
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.
Step 2
Identify and terminate files detected as TrojanSpy.Win32.LOKI.TIOIBYRA
- 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.
- 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.
- If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.
Step 3
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_CLASSES_ROOT\VLC
- DefaultIcon
Step 4
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\Classes\VLC\DefaultIcon
- (Default) = "%Program Files%\Darcs\vlc.exe,0"
Step 5
Search and delete these components
- %User Temp%\lt\cfm\dbi\show_thread\7\type-ghostscript.xml
- %User Temp%\hitcount\da\phpmyadmin\python3-urllib3.prerm
- %User Temp%\bb-hist\psql\XMLSDKA.HxK
- %User Temp%\oldie\cr\ADM\doculabsws07.gif
- %User Temp%\Calpac
- %User Temp%\network\null\R\scriptlet\pear\model63.xml
- %User Temp%\bb-hist\psql\pgmedge.1.gz
- %User Temp%\ceilidh.exe
- %Start Menu%\Programs\AN-SSRW\AN-SSRW.lnk
- %User Temp%\crontab\exch\privacy_policy\message\datafiles\buildr\undname.exe
- %User Temp%\hitcount\da\phpmyadmin\wns-introclustermcsc01.gif
- %User Temp%\oldie\cr\ADM\pswdfilte.gif
- %User Temp%\network\null\R\scriptlet\pear\gnome-software-common.list
- %User Temp%\hitcount\da\phpmyadmin\x-karbon.xml
- %User Temp%\network\null\R\scriptlet\pear\sproxyui.dll
- %User Temp%\hitcount\da\phpmyadmin\ip-ntable.8.gz
- %User Temp%\hitcount\da\phpmyadmin\wsdl.exe
- %User Temp%\oldie\cr\ADM\VSLauncher.exe
- %User Temp%\lt\cfm\dbi\show_thread\7\loadenv.mod
- %User Temp%\extensions\05030700.xhp
- %User Temp%\bb-hist\psql\indicator40alt.png
- %User Temp%\bb-hist\psql\1501.GIF
- %User Temp%\oldie\cr\ADM\DirControlUI.dll
- %User Temp%\hitcount\da\phpmyadmin\12.opends60.dll
- %User Temp%\SoapSafranine.dll
- %User Temp%\lt\cfm\dbi\show_thread\7\undname.exe
- %User Temp%\bb-hist\psql\9.opends60.dll
- %User Temp%\lt\cfm\dbi\show_thread\7\Local-1046671369vccompattrcomm.gif
- %User Temp%\bb-hist\psql\genpkey.1ssl.gz
- %User Temp%\bb-hist\psql\convert.1.gz
- %User Temp%\network\null\R\scriptlet\pear\roleprivileges.xml
- %User Temp%\bb-hist\psql\makehm.zip
Step 6
Search and delete these folders
- %User Temp%\lt\cfm\dbi\show_thread\7
- %System Root%\Users
- %User Temp%\lt\cfm
- %User Temp%\crontab\exch\privacy_policy
- %User Temp%\network\null\R\scriptlet
- %User Temp%\crontab\exch\privacy_policy\message\datafiles
- %User Temp%\network
- %User Temp%\network\null\R
- %User Temp%\oldie\cr\ADM
- %User Temp%\bb-hist\psql
- %User Profile%\AppData
- %User Temp%\network\null
- %User Temp%\lt\cfm\dbi
- %User Temp%\oldie
- %User Temp%\lt
- %User Temp%\hitcount\da\phpmyadmin
- %User Temp%\crontab\exch\privacy_policy\message\datafiles\buildr
- %User Temp%\crontab\exch
- %User Temp%\hitcount
- %User Temp%\crontab
- %User Temp%\lt\cfm\dbi\show_thread
- %User Temp%\extensions
- %User Temp%\oldie\cr
- %User Temp%\network\null\R\scriptlet\pear
- %User Temp%\hitcount\da
- %User Temp%\bb-hist
- %User Temp%\crontab\exch\privacy_policy\message
Step 7
Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.LOKI.TIOIBYRA. 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 the following Trend Micro Support pages for more information:
Step 8
Restore deleted/modified files and/or registry entries from backup
*Note: Only Microsoft-related files/keys/values will be restored. If this malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.
- %Windows%\win.ini
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