TSPY_DRIDEX.YYSTD
Trojan.Cridex (Symantec)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Spyware
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Dropped by other malware
This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It connects to certain websites to send and receive information. It gathers information and reports it to its servers.
TECHNICAL DETAILS
249,856 bytes
EXE
Yes
19 Apr 2016
Connects to URLs/IPs, Downloads files, Steals information
Arrival Details
This spyware 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 spyware connects to the following website to send and receive information:
- {BLOCKED}.{BLOCKED}.100.40:4033
- {BLOCKED}.{BLOCKED}.100.41:4033
- {BLOCKED}.{BLOCKED}.144.98:1943
It does the following:
- Downloads and executes a file
- Injects the downloaded file to a process
It gathers the following information and reports it to its servers:
- username
- OS version
- installed applications
SOLUTION
9.800
12.476.04
19 Apr 2016
12.477.00
19 Apr 2016
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 and note files detected as TSPY_DRIDEX.YYSTD
Step 4
Restart in Safe Mode
Step 5
Search and delete the file detected as TSPY_DRIDEX.YYSTD
Step 6
Restart in normal mode and scan your computer with your Trend Micro product for files detected as TSPY_DRIDEX.YYSTD. 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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