毒
Fortunately,my loptop was attacked by virus finally.
until now, I didn't solve it.
THE SITUATION IS :
As soon as I logged in Xp,the use of CPU increased vertically into 100%!!You know what it meant——loptop immediately wnent down.I even couldn't close it in a normal way.
I checked out that the SVCHOST.exe was using amazingly degree of CPU source,almost 99%.
Meanwhile , I found another couse:wuanclt.exe was running unnormal,also using much EMS memory than usual.
So I guessed what the matter was.
Close the wuanclt.exe .OK ,things seemed worked out.Also I have asked for help on the BBS.
This is what I found on the Google.
%system%文件夹中的wuauclt.exe是WINDOWS 自动更新的客户端。然而,今天说的这个wuauclt.exe非%system%文件夹中的那个wuauclt.exe。这个位于%windows%文件夹中。今天VirusTotal多引擎扫描结果,只有4家报,其中3家报可疑;AntiVir的启发式报“恶意程序。4家均未给出具体名称。连接网络时,运行这个wuauclt.exe,它通过80端口访问61.128.196.671创建下列文件:C:\windows\wuauclt.exe
C:\windows\bbyb.exe
C:\windows\bbybs.exe
C:\windows\bbyb.dll
C:\windows\ies.dll
C:\windows\noruns.reg(将其中内容导入注册表后,此文件被自动删除。)
在系统分区以外的所有分区根目录以及U盘根目录下创建sxs.exe和autorun.inf。其中C:\windows\bbyb.dll动态插入应用程序进程。
C:\windows\wuauclt.exe删除注册表中瑞星、KV、卡巴斯基以及雅虎助手的启动项和服务项。
有意思的是,它还删除一个流行木马NTdhcp.exe的启动项。
添加的注册表启动项为:HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft
查杀:结束C:\windows\wuauclt.exe进程。
该进程结束后,U盘中的sxs.exe和autorun.inf可直接删除。删除后,将U盘拔出。然后,删除下列文件:C:\windows\wuauclt.exe
C:\windows\bbyb.exe
C:\windows\bbybs.exe
C:\windows\bbyb.dll
C:\windows\ies.dll删除其启动项。
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