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This backdoor may be dropped by TROJ_DROPPER.ADO.
When executed, it executes commands from a remote malicious user to start or stop services, list processes and services, get system information and download files.
It executes commands from a remote malicious user, effectively compromising the affected system.
It retrieves specific information from the affected system.
This backdoor may be dropped by other malware.
This backdoor may be dropped by the following malware:
This backdoor is injected into the following processes running in memory:
This backdoor executes the following commands from a remote malicious user:
It connects to the following URL(s) to send and receive commands from a remote malicious user:
This backdoor retrieves the following information from the affected system:
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Scan your computer with your Trend Micro product and note files detected as BKDR_COSMU.KO
Restart in Safe Mode
To restart in Safe Mode:
• For Windows 2000 users
• For Windows XP users
• For Windows Server 2003 users
Search and delete the file detected as BKDR_COSMU.KO
To manually delete a malware/grayware file from the affected system:
Restart in normal mode and scan your computer with your Trend Micro product for files detected as BKDR_COSMU.KO. 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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