SdBot represents the large family of backdoors - hacker's remote access tools.
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
For general instructions on disinfecting a local network infection, please see Eliminating A Local Network Outbreak.
CAUTION Manual disinfection is a risky process; it is recommended only for advanced users.
Manual disinfection for SdBot.ADA backdoor requires renaming of an infected file named WINLOGON.PIF located in Windows System folder and restarting a system. Please note that the backdoor's file has read-only, system and hidden attributes, so Windows Explorer has to be configured to show such files.
These tools allow to control victims' computers remotely by sending specific commands via IRC channels. Also these backdoors can steal data, spread to local network and to computers vulnerable to exploits.
This SDBot variant was first found on August 11th, 2005. It uses different exploits to spread to vulnerable computers.
The backdoor's file is a compressed PE executable about 146 kilobytes long, the unpacked file's size is over 340 kilobytes.
When the backdoor's file is started, it copies itself as WINLOGON.PIF to Windows System folder, sets hidden, system and read-only attributes for itself and then creates the following startup keys in the Registry:
The backdoor can scan for vulnerable computers using different types of exploits. Here's the list of scanner capabilities:
A hacker can control the backdoor via a bot that it creates in a certain IRC channel. Backdoor capabilities are the following:
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