Back up all your data now while you still can.
You better develop a disaster plan and keep your data and records backed up and keep a copy at another location, or you may soon find yourself out of business.
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You currently have spyware installed on your system. I would not be surprised if you also has viruses on the computer as well. If you follow all the following steps it should get rid of your current problems and prevent most future problems. All programs listed are free.
The only way to be absolutely sure you remove everything is to securely wipe all the information from the drive, format it and then reinstall all the software and drivers.
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Your system restore files are probably infected. You should turn off system restore to prevent malware hiding in the system restore files and reinfecting the computer during removal.
Right click on "my computer"> Properties > System Restore Tab > Check box turn of system restore
After you are done removing the malware turn system restore back on.
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Update your antivirus and run a full scan.
If you do not have spyware protection install:
AVG Antivirus 7.5 Free Edition
http://free.grisoft.com/freeweb.php/doc/avg-anti-virus-free/lng/us/tpl/v5
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Install Windows Defender (full time spyware protection)
Perform a full scan.
http://www.microsoft.com/athome/security/spyware/software/default.mspx
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Install the following five programs and run weekly or at least monthly. You need all five. They are not a substitute for full time spyware and virus protection.
Install and run now.
Ad-Aware SE Personal (update + full scan)
http://www.lavasoftusa.com/products/ad-aware_se_personal.php
Spybot Search & Destroy (update + immunize + scan)
Do not enable Tea Timer and SDHelper
After installation: update + scan + immunize
http://www.safer-networking.org/en/mirrors/index.html
SpywareBlaster: Update then open and click “enable all protection”.
http://www.javacoolsoftware.com/spywareblaster.html
SUPERAntiSpyware free version: (update + scan)
http://www.superantispyware.com/
CCleaner: Do not install toolbar and recycle bin options
Set to run when computer starts.after cleaning all malware off the computer.
Removes tracking cookies, unneeded files
Place cookies you want to keep in the save list.
http://www.ccleaner.com/
Note if a scan detects a problem but is unable to remove, start the computer in safe mode with the internet line disconnected and run a full scan.
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Run this time
Install VX2 tool for Ad-Aware and run tool
http://www.lavasoftusa.com/support/securitycenter/vx2_cleaner.php
CWShredder: run
http://www.trendmicro.com/cwshredder/
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Additional run this time and as needed.
Microsoft OneCare Live, run “full service scan”
Updates windows, virus and spyware scan, disk cleanup, disk fragmentation (if needed), backs up registry and then cleans registry, and checks for open firewall ports
http://onecare.live.com/site/en-us/default.htm
Malicious Software Removal Tool (run “full scan”)
http://www.microsoft.com/security/malwareremove/default.mspx
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Rootkit Removal Guide
http://safecomputing.umn.edu/guides/scan_unhackme.html
Rootkits Removers (Pick any 2 and run)
AVG Anti-Rootkit
http://www.grisoft.com/doc/products-avg-anti-rootkit-update-app-art/?ver=1.1.0.29
F-Secure BlackLight
http://www.f-secure.com/blacklight/
Sophos Anti-Rootkit
http://www.sophos.com/products/free-tools/sophos-anti-rootkit.html
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Online Free Scanners: Run Trend Micro, Kaspersky, and Panda Scan.
Trend Micro: HouseCall Free Scan (removes what it finds)
http://housecall.trendmicro.com/
BitDefender Online Scanner http://www.bitdefender.com/scan8/ie.html
Kaspersky Labs Online Scanner http://www.kaspersky.com/virusscanner
McAfee http://us.mcafee.com/root/mfs/default.asp?affid=294
Panda ActiveScan Free Online Scanner http://www.pandasoftware.com/products/activescan?
Symantic Online Scanner http://security.symantec.com/sscv6/ssc_eula.asp?langid=ie&venid=sym&plfid=23&pkj=ALUFRHYTINMHDKDCWLL&vc_scanstate=2
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Additional Information read:
http://wiki.castlecops.com/Malware_Removal_and_Prevention:_Overview
http://wiki.castlecops.com/Malware_Prevention:_Prevent_Re-infection
http://www.castlecops.com/f67-Hijackthis_Spyware_Viruses_Worms_Trojans_Oh_My.html
http://aumha.org/a/quickfix.htm
http://aumha.org/secure.htm
http://aumha.org/a/parasite.php
http://www.castlecops.com/t102301-Hijackthis_Guidelines_Read_Before_Posting.html
http://www.techsupportforum.com/security-center/hijackthis-log-help/15968-please-read-before-posting-
http://forum.aumha.org/viewtopic.php?t=4075&sid=901703d08c2ace31389ffef2d84b6607
I would also recommend you post a Hijackthis log to double check that all malware has been removed.
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http://forums.cnet.com/5208-6142_102-0.html?forumID=5&threadID=194873&messageID=2115918
"You can find out the manufacturer of your HD and then attempt to download the formatting tool created by that manufacturer for their HD's. Most HD Mnufactuer have a Zero Fill Low level formatting tool available to erase their HD products. This will clean any existing OS files from your system as well as any viruses other files etc.."
Darik's Boot and Nuke (DBAN)
http://www.download.com/Darik-s-Boot-and-Nuke/3000-2092_4-10165154.html
http://sourceforge.net/project/showfiles.php?group_id=61951&package_id=58479&release_id=439240
DBAN will automatically and completely delete the contents of any hard disk that it can detect, which makes it an appropriate utility for bulk or emergency data destruction.
WipeDrive by White Canyon
http://www.whitecanyon.com/
Completely wipe and erase all the information from a computer before selling or discarding it. WipeDrive makes it easy.
Active@ Kill Disk - Hard Drive Eraser (Free version/ $29.95 enhanced version)
http://www.killdisk.com/
Active@ KillDisk - Hard Drive Eraser is powerful and compact DOS software that allows you to destroy all data on hard and floppy drives completely, excluding any possibility of future recovery of deleted files and folders. It's a hard drive and partition eraser utility.
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Reformat and install. (Cleans drive loses all data)
http://support.microsoft.com/kb/313348
http://www.microsoft.com/windowsxp/using/setup/winxp/install.mspx
Repair install. (should not lose data) Backup files first.
http://www.microsoft.com/windowsxp/using/helpandsupport/learnmore/tips/doug92.mspx
http://www.fujitsu-siemens.co.uk/rl/servicesupport/techsupport/software/windows/xp/Repair.htm