Encyclopedia entry
Updated:
Jun 26, 2012
| Published:
Jun 22, 2012
Aliases
Trojan.Win32.Buzus.ltcn
(Kaspersky)
-
Troj/Agent-WSW
(Sophos)
Alert Level
(?)
Severe
Antimalware protection details
Microsoft recommends that you download the
latest definitions
to get protected.
Detection last updated:
Definition: 1.151.543.0
Released: May 21, 2013
|
|
Detection initially created:
Definition: 1.129.117.0
Released: Jun 20, 2012
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Summary
TrojanDownloader:Win32/Dofoil.R is a trojan that silently downloads and installs other programs without consent. This could include the installation of additional malware or malware components to an affected computer.
Symptoms
System changes
The following system changes may indicate the presence of this malware:
- The presence of the following files:
c:\documents and settings\administrator\application data\feeba1.exe
- The presence of the following registry modifications:
Adds value: "FlySky"
With data: "c:\documents and settings\administrator\application data\feeba1.exe"
To subkey: HKCU\Software\Microsoft\Windows\CurrentVersion\policies\Explorer\Run
Technical Information (Analysis)
TrojanDownloader:Win32/Dofoil.R is a trojan that silently downloads and installs other programs without consent. This could include the installation of additional malware or malware components to an affected computer.
Installation
When executed, TrojanDownloader:Win32/Dofoil.R copies itself to c:\documents and settings\administrator\application data\feeba1.exe.
The malware modifies the following registry entries to ensure that its copy executes at each Windows start:
Adds value: "FlySky"
With data: "c:\documents and settings\administrator\application data\feeba1.exe"
To subkey: HKCU\Software\Microsoft\Windows\CurrentVersion\policies\Explorer\Run
Payload
Contacts remote host
TrojanDownloader:Win32/Dofoil.R may contact a remote host at havecriticism.info using port 80. Commonly, malware may contact a remote host for the following purposes:
- To report a new infection to its author
- To receive configuration or other data
- To download and execute arbitrary files (including updates or additional malware)
- To receive instruction from a remote attacker
- To upload data taken from the affected computer
This malware description was produced and published using our automated analysis system's examination of file SHA1 b61c093d45dbbbfa866195018f68fa2ffe572c9c.
Prevention
Recovery
To detect and remove this threat and other malicious software that may have been installed in your computer, run a full-system scan with an up-to-date antivirus product such as the following:
For more information about using antivirus software, see
http://www.microsoft.com/windows/antivirus-partners/.
