Trojan.Win32.FlyStudInfector.615917
種類
I-Worm
危険度/拡散度
/
発見日
[korea] 2010-09-14 [Foreign] 0000-00-00
Virobot対応
-- [Able to detect & repair]

[Symptom of Infection]

1. It downloads below malicious files.

hxxp://xiazai.xxxx.info/1/ma1.exe|ma1.exe  Trojan.Win32.S.Nilage.16384
hxxp://xiazai.xxxx.info/1/br.exe|br.exe  Trojan.Win32.S.Small.16384.C
hxxp://xiazai.xxxx.info/1/yk.exe  Trojan.Win32.S.Redosdru.170181


2. The malicious codes download exception lists from Internet.
 
GET /ExceptFolder.txt HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
Host: www.xxxdnf.com                   

windows
program files
Documents and Settings


3. The malicious codes infect all exe files except exception lists.
First, malicious code runs then the infected exe(Win32.Flystud.A) runs. It acts malicious behavior continuously just before its repair.

[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.