GovInfoSecurity May 20, 2021 May 3, 2021 DougOlenick) • April 28, 2021 A sample of the text message lures used by FluBot in different countries (Source: Proofpoint) FluBot Android spyware is once again spreading throughout Europe following a temporary dip in activity in March after police arrested four suspects allegedly involved in the campaign, according to researchers at Proofpoint. The malware's operators are working methodically, striking one country after another using thousands of devices under their control to send malicious phishing SMS messages, the security firm reports. Proofpoint is uncertain why the attackers, whose identity is not known, chose text messages rather than emails for their distribution methodology.