TROJ_FAKELRT.SMT
Windows 2000, XP, Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan may be downloaded by other malware/grayware/spyware from remote sites.
It executes then deletes itself afterward.
It displays fake alerts that warn users of infection. It also displays fake scanning results of the affected system. It then asks for users to purchase it once scanning is completed. If users decide to purchase the rogue product, users are directed to a certain website asking for sensitive information, such as credit card numbers.
TECHNICAL DETAILS
993,280 bytes
PE
Yes
10 Aug 2010
Arrival Details
This Trojan may be downloaded by other malware/grayware/spyware from remote sites.
It may be downloaded from the following remote sites:
- http://{BLOCKED}8.65.74.161/{BLOCKED}sgjlgdsjrthrtwg.exe
Installation
This Trojan drops the following copies of itself into the affected system:
- %Application Data%\{Random File Name}.exe
(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Windows\Profiles\{user name}\Application Data on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Application Data on Windows NT, and C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000, XP, and Server 2003.)
It executes then deletes itself afterward.
Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\RunOnce
{Malware File Name Without Extension} = %Application Data%\{Random File Name}.exe {Random Numbers}
Other Details
This Trojan displays the following message boxes:
Security Tool Installed.
It does the following:
- It connects to this URL to upload the sensitive information should the user decide to purchase the rogue product: http://{BLOCKED}2.{BLOCKED}0.107.205
Rogue Antivirus Routine
This Trojan displays fake alerts that warn users of infection. It also displays fake scanning results of the affected system. It then asks for users to purchase it once scanning is completed. If users decide to purchase the rogue product, users are directed to a certain website asking for sensitive information, such as credit card numbers.
SOLUTION
8.900
07.374.01
10 Aug 2010
8/10/2010 12:00:00 AM
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
Terminate a process file/s detected as TROJ_FAKELRT.SMT
*Note: If the detected file/s is/are not displayed in theWindows Task Manager, continue doing the next steps.
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_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
- {Malware File Name Without Extension} = %Application Data%\{Random File Name}.exe {Random Numbers}
- {Malware File Name Without Extension} = %Application Data%\{Random File Name}.exe {Random Numbers}
Step 4
Scan your computer with your Trend Micro product to delete files detected as TROJ_FAKELRT.SMT. 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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