RANSOM_ZIPIAC.A
Windows
Threat Type: Ransomware
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
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
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:
- {Folders of all archived files}\IAC.txt
Other Details
This Ransomware does the following:
- It archives the files into a password protected ZIP file. It names the ZIP file as: (original filename.extension)locked.zip
- The password for the ZIP files is "ddd123456".
- This malware archives files that has the following extensions:
- .fla
- .gif
- .js
- .mov
- .mp3
- .mpg
- .ppt
- .rar
- .vob
- .zip
NOTES:
IAC.txt contains the following:
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
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
- {Folders of all archived files}\IAC.txt
Step 4
Restore encrypted files from backup.
Step 5
Scan your computer with your Trend Micro product to clean files detected as RANSOM_ZIPIAC.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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