Refers to the ransomware malware use encryption system to encrypt the user's data and the new ransom demands to restore the data. As reported by security researchers of Dell SecureWorks, a Cryptolocker called ransomware that infected approximately 250,000 computers worldwide running Windows.
Refers to the ransomware malware use encryption system to encrypt the user's data and the new ransom demands to restore the data . As reported by security researchers of Dell SecureWorks , a Cryptolocker called ransomware that infected approximately 250,000 computers worldwide running Windows .
The security firm said the U.S. and Britain are the countries most strongly affected . Criminals are redirecting Internet users in the attack after the group focused on business users .
The first version Cryptolocker seem to be available online from 09.05.2013 , spread through spam emails ask users to click on a Zip file compression letter pretending to customer complaints about the organization of the recipient . The later version was distributed via email to inform counterfeit check payment problems . When users click on the link included , they unknowingly download a Trojan named Zeus and Cryptolocker gameover be installed on the victim's computer . Cryptolocker displays a countdown clock , ask victims to pay ransom before their data is lost forever .
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Cryptolocker displays a countdown clock , ask victims to pay ransom before their data is lost forever .
Between 12/ 2013 Dell SecureWorks to or from 200000-250000 computer has been infected . According to Dell SecureWorks , the country has many computer systems were attacked by Cryptolocker especially the U.S., UK , Australia , France , Brazil , Italy , Turkey , Spain , China , Canada .
According to the statement from the victim , the payments can be accepted they attack within a few minutes or it may take several weeks to process . However, Trend Micro , a security firm other , warning that paying for the attackers only make Cryptolocker more widespread , while no guarantee victims will regain data .
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