Taiwanese technology company ASUS 'computers produced by the automatic update service was reported to be a virus spread through.
Russian cyber security company Kasperksy Lab, said that 57 thousand ASUS using the antivirus software they produce the computer, the system to be leaked from the outside and the "back door" called a special malicious software called the "backdoor" was detected that detected malicious software.
Kasperksy Lab experts said 50 percent of virus-infected computers belong to users in Russia, Germany and France
The number of virus-infected computers in the United States is less than 5 percent recorded
American antivirus company Symantec also reported that 13,000 ASUS computers using their own software were infected with the virus.
Experts, the so-called "supply chain" with the cyber-attack management of the company's automatic update service spread through the virus estimated to affect 1 million computers worldwide.
ASUS is the world's fifth largest computer manufacturer.