Name: SD Downloader Category: Trojan Downloader Alias: SD Advice: Remove Risk: Severe Risk Severe threats typically are remotely exploitable vulnerabilities, which can lead to system compromise. Successful exploitation does not normally require any interaction and exploits are in the wild. There exists a high possibility of potential system damage or security flaw. Attacker has complete control over your computer or install new software on your machine. Description: SD installs additional spyware on a users computer by downloading it froma remote server. Seen to be distributed by ShopAtHome spyware. SD Downloader installs itself in the users system try (multiple times) promting the user to click it to download additional spyware. The kicker here is when the user clicks it in many cases it asks them to download an anti-spyware package. Signatures: process: sd.exe: MD5 Hash: 312121b7b21d0d4407e... process: sd.exe: MD5 Hash: 90a4801078758769f39... process: sd.exe: MD5 Hash: 5b1f98ff51f1a523bc4... process: sd.exe: MD5 Hash: ... process: sd.exe: MD5 Hash: c48114753b511f5d59b... process: sd.exe: MD5 Hash: f35e6ceea4232e3aecd.. Type: Trojan Downloader - A Trojan software is any software on a user's computer that the user is not aware or intentionally installed. Most Trojan software is designed to perform some sort of actions that could jeopardize the user's security or privacy.