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Google blacklisted all the .cz.cc domains

June 15, 2011David Dede

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It seems that Google just blacklisted all the sites under the .cz.cc main domain (including the nic.cz.cc, start.cz.cc and all others). In their status page Google says:

Has this site acted as an intermediary resulting in further distribution of malware?

 
Over the past 90 days, cz.cc appeared to function as an intermediary for the infection of 13788 site(s) including uniform-net.jp/, nuxi-navi.com/, flashracingonline.com/.

 
Has this site hosted malware?

 
Yes, this site has hosted malicious software over the past 90 days. It infected 47193 domain(s), including razym.ru/, discuss.com.hk/, lnk.by/.

So according to Google, they infected more than 47 thousand domains. It is interesting because in the last few months the .cc TLD has been the most used by attackers, but it seems that Google decided to just blacklist everything (probably by mistake).

You can see this warning, by checking the status page on google for any site ending in .cz.cc: http://safebrowsing.clients.google.com/safebrowsing/diagnostic?site=http://anysite.cz.cc/ :

What is the current listing status for cz.cc?

Site is listed as suspicious – visiting this web site may harm your computer.

Part of this site was listed for suspicious activity 2907 time(s) over the past 90 days.

We will post more details if we learn back from Google.

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Categories: Website SecurityTags: Google, Website Blacklist

About David Dede

David is a Security Researcher at Sucuri. He spends most of his time dissecting vulnerabilities and security issues. You won't find him on Twitter because he is paranoid about privacy.

Reader Interactions

Comments

  1. eclipsenet

    June 15, 2011

    Trust me, this is warranted

  2. citricsquid

    June 15, 2011

    .cz.cc is just a domain some guy bought and gives out free subdomains, much like co.nr *not* like .tk which is an actual TLD. 

  3. rvtraveller

    June 15, 2011

    uni.cc is also affected by this.  http://safebrowsing.clients.google.com/safebrowsing/diagnostic?site=http://uni.cc/

  4. Nomorepeople

    June 15, 2011

    sadly I use this server for demo sites and ideas and its really sad hackers and attackers have really messed it up for the nice guy, the service is not ran by hackers or attackers but they use the domain so much it give the domain a bad name 🙁

  5. Nomorepeople

    June 15, 2011

    Or would also like to add that ce.ms domains owned by cz.cc also have been flaged

  6. Worpdress

    June 17, 2011

    Dammed, another google bullshit. Some days back Blogger was out, and now this.

  7. Mario

    July 26, 2011

    I’m sorry, but my free link site just ranked at 2 by Google. That doesn’t sound like blacklisting to me.

  8. LeighJ

    July 29, 2011

    Blast those hackers. Although mines is quite safe. http://safebrowsing.clients.google.com/safebrowsing/diagnostic?site=http://lynnfolio.cz.cc

  9. Yurez

    September 2, 2011

    Nonsence, Absurd, Idiotism!!!

    • Winfield11b

      September 20, 2011

      Why? Know something we don’t?

    • person287

      October 2, 2011

      Why. Free domains are a brilliant place for spammers and hackers, exactly why google banned cz.cc and co.cc among others.

  10. J

    September 7, 2011

    This site, wykcsem.cz.cc was the source of a trojan attack today – a rare occurrence for me.  So wel deserved!

  11. Winfield11b

    September 20, 2011

    http://zqfdngprbr.cz.cc/content/1fdp.php?f=30
    Threat Severity == High
    Threat: JS:Pdfka-gen@bhv:disqus  [Expl]

    Blocked by Avast! Web Shield @ 0830 Tuesday 20SEP11

  12. me

    September 28, 2011

    what is i spend thousand of dollars developing my site. Can i sue google for my money back?

    • person287

      October 2, 2011

      Surely if you’ve spent thousands of dollars then you’d have bought a £6 domain. I’m not trying to criticise you, it’s just that I haven’t spent any money on my site at all except the domain, and I’m turning a profit.

  13. Hyo

    October 1, 2011

    http://safebrowsing.clients.google.com/safebrowsing/diagnostic?site=http://www.nic.cz.cc

  14. Kamatchikumar

    January 5, 2012

    My site has designgeek.cz.cc it has spend lot of money in this site it all of waste

  15. Kemo Basta

    March 25, 2012

    Is there any way to solve this?

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