RANSOM_RUSHTEAR.A
Trojan:Win32/Dynamer!ac (Microsoft); Trojan-Ransom.Win32.Crypmodadv.wys (Kaspersky)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan 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 Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Other System Modifications
This Trojan modifies the following file(s):
- It encrypts files and appends the extension .remind
Other Details
This Trojan encrypts files with the following extensions:
- .adi
- .adt
- .altr
- .arw
- .asmx
- .asp
- .aspx
- .csv
- .doc
- .docx
- .dwf
- .html
- .jpg
- .msg
- .odt
- .php
- .png
- .ppt
- .pptx
- .psd
- .qbb
- .rpt
- .sldprt
- .sql
- .txt
- .xls
- .xlsx
- .xml
- sln
It drops the following file(s)/component(s):
- {All folders in all disk drive}\DECRYPT_YOUR_FILES.HTML - Ransom Note
NOTES:
The ransom note DECRYPT_YOUR_FILES.HTML 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 these files
- {All folders in all disk drive}\DECRYPT_YOUR_FILES.HTML
Step 4
Scan your computer with your Trend Micro product to delete files detected as RANSOM_RUSHTEAR.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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