Trojan.VBS.MISPADU.THIADBO
Windows
Tipo de grayware:
Trojan
Destrutivo:
Não
Criptografado:
Não
In the Wild:
Sim
Visão geral
It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Detalhes técnicos
Übertragungsdetails
It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
Erstellt die folgenden Ordner:
- C:\{string2 from the decrypted response from url}
Andere Details
Es macht Folgendes:
- It terminates itself when executed in a virtual environment whose computer name is "JOHN-PC" by checking for the following values:
- OS Model Name
- Virtual Machine - for Hyper V
- VMware Virtual Platform - for VMware
- VirtualBox - for Virtualbox
- BIOS Version
- Hyper-V 2008(Beta,RC0,RTM and R2)
- VS2005/VS2005R2/VS2005R2SP1
- VPC2004/VPC2007
- Windows Virtual PC
- Also terminates itself if the default installed OS language is not in the following list:
- Spanish – Spain (traditional)
- Portugese – Brazil
- Spanish – Mexico
- Spanish – Spain
- Spanish Microsoft Office Language – (Microsoft Office Language Value – LANGUAGE_SPANISH)
- Connects to the following url to download and execute malicious vbscript code in memory to check system and download more files:
- http://{BLOCKED}.{BLOCKED}7.173/gt21.php
- If C:\Users\Public\{string1 from the decrypted response from url}4.zip does not exist
- Connects and decrypts data from http://{BLOCKED}.{BLOCKED}7.173/k1oa.php
- Connects and downloads file from http://{BLOCKED}.{BLOCKED}7.173/m/k1o{string3 from decrypted data from url}.gt2
- C:\Users\Public\{string1 from the decrypted response from url}4.zip
- If C:\Users\Public\{string1 from the decrypted response from url}1.zip does not exist
- Connects and downloads file from http://{BLOCKED}.{BLOCKED}7.173/k1oa{string1 from the decrypted response from url}.gt2
- Connects and downloads file from http://{BLOCKED}.{BLOCKED}7.173/k1oasq.gt2
- Connects and downloads file from http://{BLOCKED}.{BLOCKED}7.173/k1oasl.gt2
- Connects and downloads file from http://{BLOCKED}.{BLOCKED}7.173/k1oass.gt2
- Connects and downloads file from http://{BLOCKED}.{BLOCKED}7.173/k1oaai.gt2
- C:\Users\Public\{string1 from the decrypted response from url}sq.zip
- C:\Users\Public\{string1 from the decrypted response from url}sl.zip
- C:\Users\Public\{string1 from the decrypted response from url}ss.zip
- C:\Users\Public\{string1 from the decrypted response from url}ai.zip
- {string1 from the decrypted response from url} - detected as Trojan.AutoIt.MISPADO.THIADBO
- {string1 from the decrypted response from url}1.{reversed last 3 characters of string1} - detected as Trojan.Win32.MISPADO.THENC
- {string1 from the decrypted response from url}ai.exe - non-malicious AutoIt loader
- libeay32.dll – non-malicious libraries
- ssleay32.dll – non-malicious libraries
- winx86.dll – non-malicious libraries then deletes all the downloaded zip files
- C:\Users\Public\{second character of computer name}_
- strings from decrypted response from url
- created folder path
- hard-coded values from the script
- current date
- C:\Users\Public\{second character of computer name}
- {string1 from the decrypted response from url}ai.exe {string1 from the decrypted response from url} @1
- {string1 from the decrypted response from url}ai.exe {string1 from the decrypted response from url} ##1
- {string1 from the decrypted response from url}ai.exe {string1 from the decrypted response from url} ##3
Solução
Step 2
Für Windows ME und XP Benutzer: Stellen Sie vor einer Suche sicher, dass die Systemwiederherstellung deaktiviert ist, damit der gesamte Computer durchsucht werden kann.
Step 3
<p> Beachten Sie, dass nicht alle Dateien, Ordner, Registrierungsschlüssel und Einträge auf Ihrem Computer installiert sind, während diese Malware / Spyware / Grayware ausgeführt wird. Dies kann auf eine unvollständige Installation oder andere Betriebssystembedingungen zurückzuführen sein. Fahren Sie mit dem nächsten Schritt fort. </ p><p> Beachten Sie, dass nicht alle Dateien, Ordner, Registrierungsschlüssel und Einträge auf Ihrem Computer installiert sind, während diese Malware / Spyware / Grayware ausgeführt wird. Dies kann auf eine unvollständige Installation oder andere Betriebssystembedingungen zurückzuführen sein. Fahren Sie mit dem nächsten Schritt fort. </ p>
Step 4
Diese Dateien suchen und löschen
- C:\Users\Public\{decrypted string1 from url response}sq.zip
- C:\Users\Public\{decrypted string1 from url response}sl.zip
- C:\Users\Public\{decrypted string1 from url response}ss.zip
- C:\Users\Public\{decrypted string1 from url response}ai.zip
- C:\{decrypted string2 from url response}\{decrypted string1 from url response}
- C:\{decrypted string2 from url response}\{decrypted string1 from url response}1.{reversed last 3 characters of string1}
- C:\{decrypted string2 from url response}\{string1 from the decrypted response from url}ai.exe
- DATA_GENERIC
Step 5
Diese Ordner suchen und löschen
- C:\{decrypted string2 from url response}
- DATA_GENERIC
Step 6
Durchsuchen Sie Ihren Computer mit Ihrem Trend Micro Produkt, und löschen Sie Dateien, die als Trojan.VBS.MISPADU.THIADBO entdeckt werden. Falls die entdeckten Dateien bereits von Ihrem Trend Micro Produkt gesäubert, gelöscht oder in Quarantäne verschoben wurden, sind keine weiteren Schritte erforderlich. Dateien in Quarantäne können einfach gelöscht werden. Auf dieser Knowledge-Base-Seite finden Sie weitere Informationen.
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