MSIL/HarvBot [Threat Name] go to Threat
MSIL/HarvBot.I [Threat Variant Name]
| Category | trojan |
| Size | 188416 B |
| Aliases | Worm.MSIL.Arcdoor.vse (Kaspersky) |
| Trojan.DownLoader18.55647 (Dr.Web) |
Short description
The trojan serves as a backdoor. It can be controlled remotely.
Installation
When executed, the trojan copies itself into the following location:
- %appdata%\Javaupdates\javaUpdates.exe
In order to be executed on every system start, the trojan sets the following Registry entries:
- [HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run]
- "javaUpdates" = "%appdata%\Javaupdates\javaUpdates.exe"
- [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
- "javaUpdates" = "%appdata%\Javaupdates\javaUpdates.exe"
The trojan creates the following file:
- %appdata%\Javaupdates\Set.bin
Information stealing
The trojan collects the following information:
- operating system version
- computer name
- volume serial number
- language settings
- external IP address of the network device
- computer IP address
The trojan attempts to send gathered information to a remote machine.
Payload information
The trojan acquires data and commands from a remote computer or the Internet.
The trojan contains a URL address. The HTTP protocol is used in the communication.
It can execute the following operations:
- download files from a remote computer and/or the Internet
- run executable files
- update itself to a newer version
- perform DoS/DDoS attacks
Other information
The trojan may create the following files:
- %temp%\%variable%.exe
The files are then executed.
A string with variable content is used instead of %variable% .