Trojan.Win32.IRCbot.abi (Kaspersky), Trojan.Win32.Generic.pak!cobra (VIPRE), Backdoor.Win32.DarkKomet!IK (Emsisoft), Backdoor.Win32.Fynloski.FD, Trojan.Win32.Iconomon.FD, Trojan.Win32.Sasfis.FD, VirTool.Win32.DelfInject.FD, GenericIRCBot.YR, TrojanLoadMoney.YR, TrojanDownloaderAndromeda.YR, TrojanDownloaderVundo.YR, GenericDownloader.YR, BackdoorFynloski.YR, GenericInjector.YR (Lavasoft MAS)Behaviour: Trojan-Downloader, Trojan, Backdoor, VirTool, IRCBot
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 9c53cb72f43184232a32715b1bc6f092
SHA1: b0282afbe23f720af826d9b1f4a702ca772e5c3e
SHA256: eefe1fc47321ae41da6307b4c6252799ee00661c63e6fdd001b6c06e47676276
SSDeep: 12288:xMprBLnKd mly9ZyHGAfOkhDAjfTg7wP6aerT65vHq:xM7LcHyu9hqbWrT65vK
Size: 581632 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: MicrosoftVisualC, NETexecutable, UPolyXv05_v6
Company: no certificate found
Created at: 2013-09-15 10:16:07
Summary: Backdoor. Malware that enables a remote control of victim's machine.
Dynamic Analysis
Payload
Behaviour | Description |
---|---|
IRCBot | A bot can communicate with command and control servers via IRC channel. |
Process activity
The Backdoor creates the following process(es):
9c53cb72f43184232a32715b1bc6f092.exe:624
The Backdoor injects its code into the following process(es):
vbc.exe:1612
File activity
The process 9c53cb72f43184232a32715b1bc6f092.exe:624 makes changes in a file system.
The Backdoor creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Application Data\svchost.exe (134 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\JavaUpdate.exe (1862 bytes)
The process vbc.exe:1612 makes changes in a file system.
The Backdoor creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\My Documents\MSDCSC\msdcsc.exe (7547 bytes)
Registry activity
The process 9c53cb72f43184232a32715b1bc6f092.exe:624 makes changes in a system registry.
The Backdoor creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "27 E1 7C 32 61 B0 EE F5 48 52 D7 6B DF DC 4B 09"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{5c14c4f6-74da-11e2-81b0-000c29ec7fc5}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Documents and Settings%\%current user%\Local Settings\Application Data]
"svchost.exe" = "svchost"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
The Backdoor modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"
The Backdoor modifies IE settings for security zones to map all urls to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"
The Backdoor modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"
To automatically run itself each time Windows is booted, the Backdoor adds the following link to its file to the system registry autorun key:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"JavaUpdate" = "%Documents and Settings%\%current user%\Local Settings\Application Data\JavaUpdate.exe"
The process vbc.exe:1612 makes changes in a system registry.
The Backdoor creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "D7 14 6C 8F DC 40 49 51 68 D3 1A C2 4F C2 0B DC"
The Backdoor adds the reference to itself to be executed when a user logs on:
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
"UserInit" = "%System%\userinit.exe,%Documents and Settings%\%current user%\My Documents\MSDCSC\msdcsc.exe"
To automatically run itself each time Windows is booted, the Backdoor adds the following link to its file to the system registry autorun key:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"MicroUpdate" = "%Documents and Settings%\%current user%\My Documents\MSDCSC\msdcsc.exe"
Network activity (URLs)
No activity has been detected.
Rootkit activity
No anomalies have been detected.
Propagation
Removals
Remove it with Ad-Aware
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Terminate malicious process(es) (How to End a Process With the Task Manager):
9c53cb72f43184232a32715b1bc6f092.exe:624
- Delete the original Backdoor file.
- Delete or disinfect the following files created/modified by the Backdoor:
%Documents and Settings%\%current user%\Local Settings\Application Data\svchost.exe (134 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\JavaUpdate.exe (1862 bytes)
%Documents and Settings%\%current user%\My Documents\MSDCSC\msdcsc.exe (7547 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"JavaUpdate" = "%Documents and Settings%\%current user%\Local Settings\Application Data\JavaUpdate.exe"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"MicroUpdate" = "%Documents and Settings%\%current user%\My Documents\MSDCSC\msdcsc.exe" - Remove the references to the Backdoor by modifying the following registry value(s) (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
"UserInit" = "%System%\userinit.exe,%Documents and Settings%\%current user%\My Documents\MSDCSC\msdcsc.exe" - Reboot the computer.