BKDR_VOLGMER.V
Trojan.Volgmer (Norton), Backdoor:Win32/Joanap (Microsoft)
Windows
Threat Type: Backdoor
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It arrives as a component bundled with malware/grayware packages.
It reads its configuration file that contains commands and data to be sent to a remote server.
TECHNICAL DETAILS
Arrival Details
This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It arrives as a component bundled with malware/grayware packages.
Backdoor Routine
This Backdoor reads its configuration file that contains commands and data to be sent to a remote server.
Other Details
This Backdoor requires the following additional components to properly run:
- swinrm.ini
It does the following:
- Uses the following backdoor commands:
- [Other In]
- [Bot In]
- [Relay In]
- [Accept Thread]
- Check Cmd
- Bot Connect
- [Cmd] - ERROR_CMD
- [Cmd] - CMD_BOTCMD_CONNLOG_GET
- [Cmd] - CMD_BLACKLIST_GET
- [Cmd] - CMD_BLACKLIST_SET
- [Cmd] - CMD_TIMESYNC
- [Cmd] - CMD_BOTCMD_SAVE
- [Cmd] - CMD_BOTCMD_INIT
- [Cmd] - CMD_GETINFO
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
Scan your computer with your Trend Micro product to delete files detected as BKDR_VOLGMER.V . 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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