A few days ago, a friend of mine came to me looking quite sullen with her Windows XP notebook in-hand. In a lapse of judgment, she had downloaded an illegal copy of a well-known software product to try it out and, upon trying to run its installer, discovered that what she had downloaded was actually malware—software designed to hijack your computer and make your life miserable. Her desktop was littered with links to pornography sites, trying to visit web sites like Google or Windows Update took her to other, shady-looking places on the web that were clearly incorrect, and the system wouldn’t even boot half the time. Things were looking grim.
It has been a while since I have had to deal with a malware issue. In the past, I have used a trifecta of software that is free for personal use: Microsoft Windows Defender (Windows XP and Vista only), Lavasoft Ad-Aware, and Spybot Search & Destroy. Running these tools on my friend’s computer seemed to work and they identified and removed quite a few pieces of unsavory software. The porn icons disappeared from the desktop, the system started booting consistently, and things seemed a lot better . . . but something was still wrong. Trying to run Windows Update resulted in errors, and trying to visit the Windows Update web site didn’t work. Google searches seemed to work, but actually clicking the search result links seemed to take me to mismatched and incorrect web sites.
Nothing obvious was wrong. I didn’t see anything suspicious in the list of running processes, the ‘hosts’ file (which could have been modified to send certain web requests to the wrong places) looked clean, and clearing out and recreating the TCP/IP settings (and flushing cached DNS information) all accomplished nothing. I was stumped.
Then, on a sojourn into various message boards (on my Mac, of course ;-)), I heard about Malwarebytes’ Anti-Malware.
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