After gathering the system credentials on the affected machine, TROJ_OLYMPICDESTROYER.A will use the stolen credentials for remote connection and propagation using PsExec.
It extracts the stolen information/credentials from lsass.exe.
Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 13.982.08
FIRST VSAPI PATTERN DATE: 22 Feb 2018
VSAPI OPR PATTERN File: 13.983.00
VSAPI OPR PATTERN Date: 23 Feb 2018
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Identify and terminate files detected as TSPY_MALSASS.A
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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.
To terminate the malware/grayware/spyware process:
Scan your computer with your Trend Micro product and take note of the name of the malware/grayware/spyware detected.
Open Windows Task Manager. To do this, press CTRL+SHIFT+ESC.
View the list of all running programs. To do this: • For Windows 2000, XP, Server 2003, Vista, 7 and Server 2008 users, click the Processes tab. • For Windows 8, 8.1 and Server 2012 users, click the Details tab.
In the list of running programs, locate a malware/grayware/spyware file detected earlier.
Select the detected files, then press either the End Task or the End Process button, depending on the version of Windows you are using.
Do the same for the remaining detected malware/grayware/spyware files in the list of running programs.
To check if the malware/grayware/spyware process has been terminated, close Task Manager, and then open it again.
Close Task Manager.
Scan your computer with your Trend Micro product to delete files detected as TSPY_MALSASS.A. 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: