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Microsoft Security Intelligence
Published May 06, 2010 | Updated Sep 15, 2017

TrojanSpy:Win32/Keatep.B

Detected by Microsoft Defender Antivirus

Aliases: Win-Trojan/Xema.variant (AhnLab) W32/Keatep.B.gen!Eldorado (Command) W32/Spambot.gen.3248299 (Norman) Trojan horse SpamTool.FWG (AVG) Win32/Maazben!generic (CA) Trj/SpamBot.AR (Panda)

Summary

TrojanSpy:Win32/Keatep.B is a trojan that steals FTP credentials and sends it to a remote attacker. It also injects malicious Iframe code that points to a certain Web site. It also disables the Windows firewall and connects to a remote Web site to potentially download arbitrary files.
To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as Microsoft Security Essentials, or the Microsoft Safety Scanner. For more information about using antivirus software, see http://www.microsoft.com/security/antivirus/av.aspx.
Removing a program exception
This threat may add a malware program to the Windows Firewall exception list. To remove the program exception, follow these steps (note that you need the malware file name - this may be available from the detection of your antivirus product):
 
For Windows 7:
1) Click Start, select Control Panel, then System and Security.
2) Select Windows Firewall.
3) On the left-hand menu, select Allow a program through Windows Firewall. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
4) Click Change Settings. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
5) Select the program name from the list of allowed programs and features. Click Remove.
6) Click OK.
 
For Windows Vista:
1) Click Start, select Control Panel, then Security Center.
2) On the left-hand menu, select Windows Firewall.
3) On the left-hand menu, select Allow a program through Windows Firewall. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
4) Select the program name from the list of allowed programs and features. Click Delete.
5) Click OK.
 
For Windows XP:
1) Use an administrator account to log on.
2) Click Start, select Run, type wscui.cpl, and then click OK.
3) In Windows Security Center, click Windows Firewall.
4) On the Exceptions tab, click the program name and then click Delete.
5) Click OK.
Resetting FTP program passwords
This threat may steal credentials for various FTP programs. It is recommended that once you remove this threat, you should reset or change the passwords for FTP programs that you use, as your credentials may be in the possession of a remote attacker.
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