Trojan-Downloader:W32/Oficla.AE

Threat description

Details

Category: Malware
Type: Trojan-Downloader
Platform: W32

Summary

Trojan-Downloader:W32/Oficla.AE is distributed as an attachment to fake e-mail messages; once installed, the trojan-downloader connects to a remote server.



Removal

Automatic action

Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.

More scanning & removal options

More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

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Technical Details

Propagation

Oficla.AE is distributed as executable or zipped files attached to misleading e-mail messages. Some of the most common messages used to deliver this trojan involve fake offers for iTunes Gift certificates or for Amazon.com orders; other attachments are disguised as resumes.The text in the e-mail message entices the unsuspecting user to launch the attached file, which installs and executes the trojan.

Installation

Once the attached executable file is launched, the trojan creates the following files:

  • %Temp%\1.tmp
  • %System%\pgsb.lto

It also makes changes to the Windows Registry to ensure the installed copy is launched when the computer is started up.

Activity

Once installed on the computer, the trojan opens a connection to a remote server, from which it may download additional malicious programs.






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