Troj/Shellot-L is a backdoor Trojan for the Windows platform.
The Trojan has the functionalities to :
- communicate with a remote server via HTTP
- allow unauthorised access to the computer
- hides files, processes and registry entries
When run, the Trojan copies itself to <System>\<random>.exe and creates the file <System>\<random numbers>.dll. The file <random numbers>.dll is detected as Troj/Shellot-L.
The Trojan sets the following registry entries:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
<Non Roman Characters>
<Non Roman Characters>="<System>\<random>.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
<Non Roman Characters>
<Non Roman Characters>="<System>\<random>.exe
HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices
<Non Roman Characters>
<Non Roman Characters>="<System>\<random>.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
<Non Roman Characters>
<Non Roman Characters>="<System>\<random>.exe
Registry entries are set as follows:
HKCU\SYSTEM\CurrentControlSet\Control\Lsa
<Non Roman Characters>
<Non Roman Characters>="<System>\<random>.exe
HKLM\SYSTEM\CurrentControlSet\Control\Lsa
<Non Roman Characters>
<Non Roman Characters>="<System>\<random>.exe
HKCU\Software\Microsoft\OLE
<Non Roman Characters>
<Non Roman Characters>="<System>\<random>.exe
HKLM\SOFTWARE\Microsoft\Ole
<Non Roman Characters>="<System>\<random>.exe