The Reserve Bank of Australia has been infected by a piece of malicious software that allegedly developed in China, Reuters report says.

The bank was targeted by a suspicious emails purporting to be send from a senior bank staff member regarding "Strategic Planning FY2012 on November, 2011, according to Documents released by RBA.

The cyber criminals embedded a link to virus payload instead of attaching the malware in the email. The link leads to a zip file that contains a Trojan , the antivirus used by the Bank fails to detect this malware.

To Bypass the existing security controls, the cybercrimanl included a legitimate signature, plausible subject &content and had no attachments in the email.

"It was also found that six users had clicked on malicious link , potentially compromising their workstations". the report noted.

The Bank said the affected PCs didn't have local admin rights, this prevented the virus from spreading around the network.  Bank spokesperson told Reuters that nothing was stolen.