1. Route of Infection
Trojan.Win32.S.DDos-Agent.367104 is spreaded out by receiving a certain email.
 

2. Symptoms
1) Trojan.Win32.S.DDos-Agent.367104 is spreaded out by a phishing mail. Once user opens the mail, it induces users to install ActiveX and infects the user system.

2) It transfers infected PC's Mac address to C&C server and sends phishing mail to other PCs.

3)Trojan.Win32.S.DDos-Agent.367104 is added to registry for automatic executing on system start.

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"BA10"="C:\\WINDOWS\\BA10.exe"

4) It does Http flooding-DDoS attacks to certain sites. The target sites are listed as below:

hxxp://www.nxxxx.com
hxxp://mail.nxxxx.com
hxxp://comic.nxxxx.com
hxxp://music.nxxxx.com
hxxp://movie.nxxxx.com
hxxp://photo.nxxxx.com

[How to repair]

1. If you are WinXP/ME users, please be inactivate System Recovery Function.

The reason why being inactivate of the system recovery is to clean the virus completely.
You can refer to MS technical documents(Q263455) for more details.

2. Update the engine module for the latest one.
To repair this virus, you need to update the engine for the latest one.

a. ViRobot products users
     -Download the latest engine files via our website (www.hauri.net)

b. Non-ViRobot products users
     - Use the LiveCall (Free Scan) via the website (http://www.livecall.co.kr)

     - Use the trial version of ViRobot products (30days only)

3. How to scan the virus.

a. Run your ViRobot, and choose "all files" in scan option.

- ViRobot Desktop 5.0 : [Tools] -> [Configuration] -> [Virus Scan] : Check all files

- ViRobot Desktop 5.5 : [Tools] -> [Configuration] -> [Virus Scan] : Check all files

- LiveCall (Free Scan) : [Advanced Scan] : Check

b. Repair all viruses detected.

c. If [Auto-repair after rebooting] message shows up, please try to re-scan after rebooting the PC.