Mahmoud Liayi, head of the information technology council at the ministry of industries, was quoted as saying by the government-run paper Iran Daily.
Stuxnet, which was publicly identified in June, was tailored for Siemens supervisory control and data acquisition (SCADA) systems commonly used to manage water supplies, oil rigs, power plants and other industrial facilities.
Stuxnet is able to recognize a specific facility's control network and then destroy it, according to German computer security researcher Ralph Langner, who has been analysing the malicious software, or malware.
Langner suspected Stuxnet's target was the Bushehr nuclear facility in Iran, where unspecified problems have been blamed for getting the facility fully operational.
Siemens, however, claims its software has not been installed at the Russian-built plant, and no Iranian official has hinted that nuclear facilities may have been infected by the malware.
"The worm has not been able to penetrate or cause serious damage to government systems," telecommunications minister Reza Taqipour was quoted as saying by the Iran Daily.
"No serious damage to industrial systems (by Stuxnet) have been reported in the country," he added.
According to the paper, another telecommunications official, Saeed Mahdiyoun, said "teams of experts had begun to systematically eliminate the virus."
"It is likely a (foreign) government project," given its complexity, Liayi added without giving further details.
Iran Daily cited various experts who suggested the United States and Israel were behind the malware, evoking the "West's electronic warfare against Iran."
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