RANSOM_GRIFFINLOCK.A
Ransom:MSIL/Crypute.E!bit (Microsoft)
Windows
Threat Type: Ransomware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Dropped by other malware, Downloaded from the Internet
This Ransomware 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
14,336 bytes
EXE
No
20 Jun 2017
Displays windows
Arrival Details
This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Other Details
This Ransomware does the following:
Displays the following fake lockscreen:
After filling-out all the text box, and upon clicking the Continue button, it will proceed with this lockscreen window, showing a fake progress bar:
Upon completion of the progress bar, it will display a fake message, telling the user that the computer is unlocked/reclaimed:
- After these fake lockscreen steps/processes, the ransomware will be terminated.
SOLUTION
9.850
13.482.08
20 Jun 2017
13.483.00
21 Jun 2017
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
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.
Step 3
Scan your computer with your Trend Micro product to delete files detected as RANSOM_GRIFFINLOCK.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 this Knowledge Base page for more information.
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