RANSOM_CRYPTEAR.SMILA
Ransom:MSIL/Ryzerlo.A (Microsoft); Trojan.Cryptolocker.Y (Symantec)
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.
It gathers certain information on the affected computer.
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.
Download Routine
This Trojan connects to the following URL(s) to download its component file(s):
- http://i.imgur.com/{BLOCKED}.jpg
It saves the files it downloads using the following names:
- %User Profile%\ransom.jpg - image used as wallpaper
Information Theft
This Trojan gathers the following information on the affected computer:
- Machine Name
- User Name
Other Details
This Trojan does the following:
- It connects to the following website to send information:
- http://www.{BLOCKED}m.hol.es/savekey.php
- http://www.{BLOCKED}m.hol.es/createkeys.php
- It encrypts files with the following extensions in the %Desktop%\test sub folders and appends .locked as the new file extension of the encrypted files:
- .txt
- .doc
- .docx
- .xls
- .xlsx
- .ppt
- .pptx
- .odt
- .jpg
- .png
- .csv
- .sql
- .mdb
- .sln
- .php
- .asp
- .aspx
- .html
- .xml
- .psd
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
Identify and terminate files detected as RANSOM_CRYPTEAR.SMILA
- 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.
Step 4
Search and delete these files
- %User Profile%\ransom.jpg
Step 5
Scan your computer with your Trend Micro product to delete files detected as RANSOM_CRYPTEAR.SMILA. 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 6
Restore encrypted files from backup.
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