RANSOM_SHIKEY.A
Ransom.TeslaCrypt(Norton)
Windows
Threat Type: Ransomware
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
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
1,536,000 bytes
EXE
No
10 Apr 2017
Encrypts files
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.
Installation
This Ransomware drops the following files:
- {Malware Directory}\ShitRansom.key
- {Malware Directory}\README.doc ← html file disguised as .doc
Other Details
This Ransomware encrypts files with the following extensions:
- .docx
- .html
- .jpeg
- .pptx
- .vmdk
- .xlsx
- .avi
- .css
- .doc
- .gif
- .htm
- .jpg
- .mov
- .mp3
- .mp4
- .mpg
- .png
- .ppt
- .rar
- .svg
- .txt
- .xls
- .xml
- .zip
It renames encrypted files using the following names:
- {Original File Name and Extension}.jiaonizuoren
It does the following:
- Display the following window upon execute:
- Display the following messagebox if README file is executed as html:
SOLUTION
9.850
13.340.01
13 Apr 2017
13.341.00
14 Apr 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
Search and delete this file
- {Malware Directory}\ShitRansom.key
- {Malware Directory}\README.doc
Step 4
Scan your computer with your Trend Micro product to delete files detected as RANSOM_SHIKEY.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.
Step 5
Restore encrypted files from backup.
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