TROJ_SMOKE.D
Trojan.Smoaler (Symantec); TrojanDownloader:Win32/Dofoil.L (Microsoft)
Windows 2000, Windows, XP, Windows Server 2003
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives as attachment to mass-mailed email messages.
It connects to certain websites to send and receive information. However, as of this writing, the said sites are inaccessible.
TECHNICAL DETAILS
Arrival Details
This Trojan arrives as attachment to mass-mailed email messages.
Installation
This Trojan drops the following copies of itself into the affected system:
- %User Profile%\Application Data\csrss.exe
(Note: %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.)
It adds the following processes:
- svchost.exe
Autostart Technique
This Trojan adds the following registry entries to enable its automatic execution at every system startup:
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer\Run
Macromedia = "%User Profile%\Application Data\csrss.exe"
Other Details
This Trojan connects to the following URL(s) to check for an Internet connection:
- http://www.google.com/
It connects to the following website to send and receive information:
- {BLOCKED}290.ru
However, as of this writing, the said sites are inaccessible.