这是一个病毒样本eraseme_88446.exe（样本来自“剑盟”）释放到系统中的。瑞星今天的病毒库不报。

C:\windows\alg.exe偷偷潜入系统后，下次开机时会遇到1－2次蓝屏重启。

特点：
1、C:\windows\alg.exe注册为系统服务，实现启动加载。
2、C:\windows\alg.exe控制winlogon.exe进程。因此，在WINDOWS下无法终止C:\windows\alg.exe进程。
3、在IceSword的“端口”列表中可见C:\windows\alg.exe打开5－6个端口访问网络。
4、C:\windows\alg.exe修改系统文件ftp.exe和tftp.exe。与原系统文件比较，病毒改动后的ftp.exe和tftp.exe文件大小不变，但MD5值均变为09d81f8dca0cbd5b110e53e6460b0d3b（见附图）。系统原有的正常文件ftp.exe和tftp.exe被改名为backup.ftp和backup.tftp，存放到C:\WINDOWS\system32\Microsoft\目录下。

手工杀毒流程：
1、清理注册表：
（1）展开：HKLM\System\CurrentControlSet\Services           
删除：Application Layer Gateway Services（指向 C:\windows\alg.exe）

（2）展开：HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
将SFCDisable的建值改为dword:00000000   

（3）展开：HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
删除："SFCScan"=dword:00000000

（4）展开：HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions
删除："v7b5x2s1i4h3"="12/15/2006, 01:26 PM"

2、重启系统。显示隐藏文件。
3、删除C:\windows\alg.exe。
4、在C:\WINDOWS\system32\Microsoft\目录下找到backup.ftp，改名为ftp.exe；找到backup.tftp，改名为tftp.exe。然后，将ftp.exe和tftp.exe拖拽到system32文件夹，覆盖被病毒改写过的ftp.exe和tftp.exe。

支持了！！！顺便学习点东西，闪人

学习！！！

试试哦,谢谢拉

我太菜了,这个怎样才找到啊.HKLM\System\CurrentControlSet\Services
删除：Application Layer Gateway ServicesApplication Layer Gateway Services（ C:\windows\alg.exe）

唉，都伪装成系统进程了，我等菜鸟还怎么活啊

已阅。。。楼主辛苦了!

那 要 是中了Trojan.DL.Agent.asc途径C:\WINDOWS\system32\cnwin.dll还有Trojan.DL.Delf.eoa途径C:\Documents and Settings\new\Local Settings\Temp用瑞星杀毒软件杀了开机还是有～！～！刚怎么办呢～！～～请大吓你帮帮忙！＠！～～小弟谢谢了！！

引用:

【无是生非的贴子】唉，都伪装成系统进程了，我等菜鸟还怎么活啊 ………………

是哦是哦!!不要上网了!

Logfile of Kaka v2. 0. 2. 5 Scan Module v1. 0. 3. 6
Scan saved at 16:41:47, on 2006-12-15
Platform: Microsoft Windows XP Professional Service Pack 2 (Build 2600)
MSIE: Internet Explorer v6.00 SP2; (6.00.2900.2180 (xpsp_sp2_rtm.040803-2158))
求求你帮帮小弟我！！～

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page=C:\WINDOWS\system32\blank.htm
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page=http://www.7255.com/
R3 - URLSearchHook: Tencent SearchHook - {DB8B2393-7A6C-4C76-88CE-6B1F6FF6FFE9} - C:\Program Files\TENCENT\Adplus\SSAddr.dll
O1 - Hosts: 127.0.0.1      localhost
O2 - BHO: WebThunder Browser Helper - {00000AAA-A363-466E-BEF5-9BB68697AA7F} - C:\Program Files\Thunder Network\WebThunder\WebThunderBHO_015.dll
O2 - BHO: MyLoader Class - {09BA1AA9-CAD4-4C14-BDE6-922DFF5F6F38} - C:\Documents and Settings\All Users\Application Data\Microsoft\Office\SYSTEMDATA\YLxmdBrnv2_2002.dll
O2 - BHO: Tencent Browser Helper - {0C7C23EF-A848-485B-873C-0ED954731014} - C:\Program Files\TENCENT\Adplus\SSAddr.dll
O2 - BHO:  - {669751ED-D558-49AE-B01A-3B374CC7910E} - C:\WINDOWS\system32\ssup.dll
O2 - BHO: NTIECatcher Class - {C56CB6B0-0D96-11D6-8C65-B2868B609932} - C:\Program Files\NetTransport 2\NTIEHelper.dll
O2 - BHO: browser Class - {C86488AF-13D5-4FEF-9DDF-9FB88698CFC1} - C:\Documents and Settings\All Users\Application Data\Microsoft\Office\USERDATA\aGp7I0W3Fd_2002.dll
O3 - Toolbar: 实用搜索工具条2.0 - {03465FF5-00AE-411a-9C34-960ED566EC03} - C:\Program Files\superutilbar\superutilbar.dll
O3 - Toolbar: 卡卡上网安全助手 - {DB9ECD4F-FB8F-4311-B3CE-90B976C2707C} - C:\WINDOWS\system32\KakaTool.dll
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKLM\..\Run: [IMJPMIG8.1] "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32
O4 - HKLM\..\Run: [PHIME2002ASync] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC
O4 - HKLM\..\Run: [PHIME2002A] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [RavTask] "C:\Program Files\Rising\Rav\RavTask.exe" -system
O4 - HKLM\..\Run: [RfwMain] "C:\Program Files\Rising\Rfw\rfwmain.exe" -Startup
O4 - HKLM\..\Run: [stup.exe] C:\PROGRA~1\TENCENT\Adplus\stup.exe
O4 - HKLM\..\Run: [C:\DOCUME~1\new\LOCALS~1\Temp\Setup_623.exe] C:\DOCUME~1\new\LOCALS~1\Temp\Setup_623.exe
O4 - HKLM\..\Run: [C:\DOCUME~1\new\LOCALS~1\Temp\dodolook057.exe] C:\DOCUME~1\new\LOCALS~1\Temp\dodolook057.exe
O4 - HKLM\..\Run: [C:\DOCUME~1\new\LOCALS~1\Temp\bind_50103.exe] C:\DOCUME~1\new\LOCALS~1\Temp\bind_50103.exe
O4 - HKLM\..\Run: [runeip] C:\Program Files\Rising\AntiSpyware\runiep.exe
O4 - HKLM\..\RunOnce: [RavStub] "C:\Program Files\Rising\Rav\ravstub.exe" /RUNONCE
O4 - HKLM\..\RunOnce: [KKDelay] C:\Program Files\Rising\AntiSpyware\RunOnce.exe
O4 - Startup: desktop.ini =
O4 - Global Startup: desktop.ini =
O4 - Global Startup: 壁纸自动换.lnk = C:\WINDOWS\system32\bgswitch.exe
O8 - Extra context menu item: 使用Web迅雷下载 - C:\Program Files\Thunder Network\WebThunder\GetUrl.htm
O8 - Extra context menu item: 使用Web迅雷下载全部链接 - C:\Program Files\Thunder Network\WebThunder\GetAllUrl.htm
O9 - Extra Button: 微软 - {6096E38F-5AC1-4391-8EC4-75DFA92FB32F} - http://www.microsoft.com/china/index.htm (file missing)
O9 - Extra Button: 信息检索 - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\WINDOWS\system32\shdocvw.dll
O9 - Extra Button: 启动Web迅雷 - {962EFB8E-2683-42d4-AC74-AAA4C759B9C6} - http://my.xunlei.com (file missing)
O9 - Extra 'Tools' menuitem: 启动Web迅雷 - {962EFB8E-2683-42d4-AC74-AAA4C759B9C6} - http://my.xunlei.com (file missing)
O9 - Extra Button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe (file missing)
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe (file missing)
O11 - Options group: [TBH] 中文搜搜
O14 - IERESET.INF: START_PAGE_URL=http://www.microsoft.com/isapi/redir.dll?prd=ie&pver=6&ar=msnhome
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O17 - HKLM\System\CCS\Services\Tcpip\..\{950EF285-5917-4771-BE15-07ABE477DF8F}: NameServer = 172.16.1.10 210.21.4.130
O18 - Protocol: about - {3050F406-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: cdl - {3dd53d40-7b8b-11D0-b013-00aa0059ce02} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: dvd - {12D51199-0DB5-46FE-A120-47A3D7D937CC} - C:\WINDOWS\system32\msvidctl.dll
O18 - Protocol: file - {79eac9e7-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: ftp - {79eac9e3-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: gopher - {79eac9e4-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: http - {79eac9e2-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: https - {79eac9e5-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: ipp - (no CLSID) - (no file)
O18 - Protocol: its - {9D148291-B9C8-11D0-A4CC-0000F80149F6} - C:\WINDOWS\system32\itss.dll
O18 - Protocol: javascript - {3050F3B2-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: local - {79eac9e7-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: mailto - {3050f3DA-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: mhtml - {05300401-BCBC-11d0-85E3-00C04FD85AB4} - C:\WINDOWS\system32\inetcomm.dll
O18 - Protocol: mk - {79eac9e6-baf9-11ce-8c82-00aa004ba90b} - C:\WINDOWS\system32\urlmon.dll
O18 - Protocol: ms-its - {9D148291-B9C8-11D0-A4CC-0000F80149F6} - C:\WINDOWS\system32\itss.dll
O18 - Protocol: msdaipp - (no CLSID) - (no file)
O18 - Protocol: res - {3050F3BC-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: sysimage - {76E67A63-06E9-11D2-A840-006008059382} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: tv - {CBD30858-AF45-11D2-B6D6-00C04FBBDE6E} - C:\WINDOWS\system32\msvidctl.dll
O18 - Protocol: vbscript - {3050F3B2-98B5-11CF-BB82-00AA00BDCE0B} - C:\WINDOWS\system32\mshtml.dll
O18 - Protocol: wia - {13F3EA8B-91D7-4F0A-AD76-D2853AC8BECE} - C:\WINDOWS\system32\wiascr.dll
O23 - Service: Network IPSEC Connections (BARCASE) -  - C:\WINDOWS\system32\rundll32.exe c:\windows\system32\wbem\xefcn.dll,export 1087
O23 - Service: Human Interface Device Access (HidServ) -  - C:\WINDOWS\system32\svchost.exe -k netsvcs
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Rising Personal Firewall Service (RfwService) - Beijing Rising Technology Co., Ltd. - c:\program files\rising\rfw\rfwsrv.exe
O23 - Service: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - "C:\Program Files\Rising\Rav\CCenter.exe"
O23 - Service: Rising RealTime Monitor (RsRavMon) - Beijing Rising Technology Co., Ltd. - "C:\Program Files\Rising\Rav\Ravmond.exe"