建议
进入控制面版的添加删除程序中卸载三七二一，搜搜地址栏搜索(QQ搜索小助手)
关闭所有浏览窗口以及一些不必要的程序
运行Hijackthis，扫描结束后在下列选项前打上勾，然后选"修复"
O2 - BHO: (no name) - {114736B6-13B6-4BE2-BF1E-B7C52053395F} - C:\WINDOWS\System32\Hdryk.dll
O2 - BHO: (no name) - {16CFDA93-F196-4212-874C-74CAFBDEECE1} - C:\WINDOWS\System32\Gvyl.dll
O2 - BHO: (no name) - {16D9A0A4-98C7-4867-AFBA-7FF81217158D} - C:\WINDOWS\System32\Iixu.dll
O2 - BHO: (no name) - {17B22085-0796-43DE-952E-9F17544BDF71} - C:\WINDOWS\System32\Rttu.dll
O2 - BHO: (no name) - {25E8A4BF-CB30-4BC8-964B-9712F7BB2CEC} - C:\WINDOWS\System32\Cayc.dll (file missing)
O2 - BHO: (no name) - {2CED0F7D-571B-4408-A2FB-B3F29C7A14DD} - C:\WINDOWS\System32\Ytitkb.dll
O2 - BHO: (no name) - {418E5040-A0F1-4798-AD95-9C64F2DFBED9} - C:\WINDOWS\System32\Yanc.dll
O2 - BHO: (no name) - {4C84BB70-7E2F-4CB3-998B-13437F028270} - C:\WINDOWS\System32\Vokbxc.dll (file missing)
O2 - BHO: (no name) - {4CD72885-4DD7-4884-817B-7E881074269E} - C:\WINDOWS\System32\Ybveez.dll
O2 - BHO: (no name) - {4EBAFC66-15A3-4B1B-A7B9-C44A7A9916D4} - C:\WINDOWS\System32\Izak.dll
O2 - BHO: (no name) - {59E99571-0697-4FB6-AB3B-84A348A82B9E} - C:\WINDOWS\System32\Jzhdf.dll
O2 - BHO: (no name) - {5B6FD26B-B1A1-4B02-9129-C5157BF71C82} - C:\WINDOWS\System32\Yoruh.dll
O2 - BHO: (no name) - {669751ED-D558-49AE-B01A-3B374CC7910E} - C:\WINDOWS\System32\ssup.dll
O2 - BHO: (no name) - {78585789-570E-4EE4-9B44-DBA5B55C58B0} - C:\WINDOWS\System32\Xvxh.dll (file missing)
O2 - BHO: (no name) - {9C0466F8-60CF-4E87-9B31-EE1C34D52A34} - C:\WINDOWS\System32\Xkbdbi.dll
O2 - BHO: (no name) - {A6AE858B-EAE4-409E-9098-2064C1598EA9} - C:\WINDOWS\System32\Ahjcmf.dll (file missing)
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: (no name) - {AC3B36D1-9C00-4465-A4AE-A7E0E38DE0DC} - C:\WINDOWS\System32\Mpejsy.dll (file missing)
O2 - BHO: (no name) - {AE45AFF5-0B99-445C-A142-55D9C61AFCFD} - C:\WINDOWS\System32\Gaeae.dll
O2 - BHO: (no name) - {AFB1578F-CF50-42A7-8F90-7ED6750B0FB6} - C:\WINDOWS\System32\Dgoont.dll
O2 - BHO: (no name) - {C0EDDD67-E1DF-4A16-950D-33E412385AA1} - C:\WINDOWS\System32\Dnyfj.dll (file missing)
O2 - BHO: (no name) - {D89B4FDB-1FDB-4755-A335-42BCABA21E43} - C:\WINDOWS\System32\Jakigv.dll
O2 - BHO: (no name) - {D9F75C81-1462-48BF-8B14-F3099E32171A} - C:\WINDOWS\System32\Wzvln.dll
O2 - BHO: (no name) - {EA51B3C0-9AC6-430A-9135-ABF8806556B2} - C:\WINDOWS\System32\Zrnzp.dll (file missing)
O2 - BHO: (no name) - {D89B4FDB-1FDB-4755-A335-42BCABA21E43} - C:\WINDOWS\System32\Jakigv.dll
O2 - BHO: (no name) - {D9F75C81-1462-48BF-8B14-F3099E32171A} - C:\WINDOWS\System32\Wzvln.dll
O2 - BHO: (no name) - {EA51B3C0-9AC6-430A-9135-ABF8806556B2} - C:\WINDOWS\System32\Zrnzp.dll (file missing)
O4 - HKLM\..\Run: [BCUpdate] ; C:\WINDOWS\System32\BCUP.exe
修复后，重启。
请下载 System Repair Engineer，使用“智能扫描”，按下“扫描”按钮进行扫描，扫描完成后按下“保存报告”按钮保存报告日志文件（SREng.LOG），把保存的报告日志文件内容复制-粘贴上来
下载网址
http://www.kztechs.com/sreng/sreng2.zip
http://forum.ikaka.com/topic.asp?board=67&artid=5188931
日志一次粘不完，分次粘完，请不要修改。
