Are you using dial up? This would explain everything.
Get DSL it is only $5/month more.
Package Downstream Upstream Term Monthly Price
AT&T Yahoo! High Speed Internet Express Package
384 Kbps to 1.5 Mbps 128 to 384 Kbps One year $14.99
AT&T Yahoo! High Speed Internet Pro Package
1.5 to 3.0 Mbps 384 to 512 Kbps One year $24.99
AT&T Yahoo! High Speed Internet Elite Package
3.0 to 6.0 Mbps 384 to 608 Kbps One year $34.99
https://swot.sbc.com/swot/dslMassMarketCatalog.do?do=view&serviceType=DYNAMICIP
Open Task manager. In processes:
Do you have Kservice.exe or Khost.exe running?
End the processes, they use your computer as a file sharer.
Run PC Pitstop "Full Scan"
http://www.pcpitstop.com/
If you have DSL or Cable you are may be infected with a virus/spyware.
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Install Bitmeter (you may choose to only run now and then)
http://www.download.com/BitMeter/3640-2381_4-10504651.html
Is there internet traffic when you are doing nothing?
Find out what is using your internet connection by stopping processes if necessary.
Internet Speed Tests: What is your internet speed?
http://www.speakeasy.net/speedtest/
http://helpme.att.net/dsl/speedtest/
http://www.bandwidthplace.com/speedtest/
http://reviews.cnet.com/7004-7254_7-0.html
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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.
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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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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Run this time only
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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Rootkits
Rootkit Removal Guide
http://safecomputing.umn.edu/guides/scan_unhackme.html
Rootkit revealer: Close all programs first and then run.
Does not remove rootkits. Not all results will be malware!
http://www.microsoft.com/technet/sysinternals/utilities/RootkitRevealer.mspx
Rootkits Removers (Run any 2)
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:
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