Hi paraque_1, welcome to DaniWeb :D
Try this...
Scan with hijackthis and have it fix the following entries:
O3 - Toolbar: SearchToolbar - {08BEC6AA-49FC-4379-3587-4B21E286C19E} - C:\WINDOWS\System32\ie2cltr.dll
O16 - DPF: {11212111-2121-1311-1141-115611111222} - ms-its:mhtml:file://d: oo.mht! http://195.95.218.82/users/zoom/web...hm::/update.exe
O16 - DPF: {556DDE35-E955-11D0-A707-000000521957} - http://www.xblock.com/download/xclean_micro.exe
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (ウイルスバスター On-Line Scan) - http://a840.g.akamai.net/7/840/537/...all/xscan53.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoftware.com/activescan/as5/asinst.cab
If these IP addresses are not related to your ISP, have hijackthis fix all the O17 entries as well -- 69.50.176.198 and 195.225.176.153
Close any open windows, other then hijackthis, before hitting Fix checked.
Go to C:\WINDOWS\System32 and delete ie2cltr.dll
Reboot, close any open browser windows, scan with hijackthis, and post a new log please. Let us know if you still have it.