RTKT64_TDSS.BTQ
W64/Olmasco.Y (Fortinet), Win64/Olmasco.Y trojan (NOD32)
Windows XP (64-bit), Windows Vista (64-bit), Windows 7 (64-bit)
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Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan may arrive bundled with malware packages as a malware component.
Its rootkit functionalities are used by other malware/grayware. It hides files, processes, and/or registry entries.
It requires its main component to successfully perform its intended routine.
TECHNICAL DETAILS
Arrival Details
This Trojan may arrive bundled with malware packages as a malware component.
Rootkit Capabilities
This Trojan s rootkit functionalities are used by other malware/grayware.
It hides files, processes, and/or registry entries.
Other Details
This Trojan requires its main component to successfully perform its intended routine.
SOLUTION
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
Scan your computer with your Trend Micro product and note files detected as RTKT64_TDSS.BTQ
Step 3
Restart in Safe Mode
Step 4
Search and delete the files detected as RTKT64_TDSS.BTQ
*Note: Some component files may be hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files and folders in the search result.
To stop the malware/grayware from running when certain files are opened:
For Windows 2000, Windows XP, and Windows Server 2003:
- Right-click Start then click Search....
- In the Named input box, type the name of the file that was detected earlier.
- In the Look In drop-down list, select My Computer then press Enter.
- Once located, select the file then press SHIFT+DELETE to delete it.
For Windows Vista and Windows 7:
- Click Start>Computer.
- In the Search Computer input box, type the name of the file detected earlier, and press Enter.
- Once located, select the file then press SHIFT+DELETE to delete it.
*Note: Read the following Microsoft page if these steps do not work on Windows 7.
Step 5
Restart in normal mode and scan your computer with your Trend Micro product for files detected as RTKT64_TDSS.BTQ. 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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