( CNN ) -- The FBI and police in several countries have launched raids aimed at hackers behind the malicious software Blackshades , which authorities say is used by cyber criminals to remotely hijack computers and carry out crimes like extortion and bank fraud . People familiar with the operation say it is aimed at trying to tackle a growing cyber-crime problem that targets computer users around the world . Hacker forums in recent days have buzzed with reports of police searches being carried out in France and several other countries . Robert Anderson , the FBI 's executive assistant director of the criminal , cyber , response , and services branch , said at a Reuters conference this week that the bureau would be launching an aggressive crackdown on cyber crime , promising arrests and indictments to try to take on the booming international cyber-crime business . `` There is a philosophy change , '' Anderson said . `` If we can reach out and touch you , we are going to reach out and touch you . ''
Law enforcement targeting Blackshades software , said to be used to hijack computers . The effort aims to tackle problem impacting computer users around the world . Hacker forums buzzing in recent days about police searches .