alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP STOPzilla Download Accelerator Activity"; flow:established,to_server; http.user_agent; content:"STOPzilla Download Accelerator"; startswith; reference:md5,6748824b325cbc1be57394469e361d63; classtype:pup-activity; sid:2031182; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_11_05, deployment Perimeter, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_13;)