Worm:Win32/Arhost.A removal

The Worm:Win32/Arhost.A is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Worm:Win32/Arhost.A virus can do?

• Behavioural detection: Executable code extraction – unpacking
• Sample contains Overlay data
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• CAPE extracted potentially suspicious content
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (Process Hollowing)
• Behavioural detection: Injection (inter-process)

How to determine Worm:Win32/Arhost.A?

File Info:
name: ED7CBC22B0B35DB34A3B.mlw
path: /opt/CAPEv2/storage/binaries/27e36868f9ada20c24c9f7cb9a3050cf331e24bdd2b92991df7313bf4721b860
crc32: 231C4C8D
md5: ed7cbc22b0b35db34a3bd44973a38e0b
sha1: 751e278188f28ec81d9bbda7dfbf907c1bea365d
sha256: 27e36868f9ada20c24c9f7cb9a3050cf331e24bdd2b92991df7313bf4721b860
sha512: cd529db2c9507a48ab7dab6900e332c835fe84628770079e178ce1379d9f2d7476dfb66da588d8927cd5fa3bc3c553b118710b7c731aa94d46637f9908945a4a
ssdeep: 6144:liKQ+YDpUpAJmYAXgeT28ke2DSwl8T1spyo7aoU1Ur+4Usuxo:liK5YDpUpAJmT5P2ewyT1sp++Ozxo
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T132541214EBE50732F2E461B60E4AC7F7D56FECB52F513301C2804E45392A94E6E26ADE
sha3_384: 9508b4f756cbe6cd7f83238d6a31128120ca5357c3683f9775a09441837acffe7e2a7915ed3120d4ca4b07159f7f7741
ep_bytes: 558bec6aff6868514000686048400064
timestamp: 2010-02-22 23:28:42

Version Info:
Comments: 
CompanyName:  
FileDescription: 
FileVersion: 2, 0, 0, 0
InternalName: 
LegalCopyright: Copyright © 2009
LegalTrademarks: 
OriginalFilename: 
PrivateBuild: 
ProductName: 
ProductVersion: 2, 0, 0, 0
SpecialBuild: 
Translation: 0x0409 0x04b0

Worm:Win32/Arhost.A also known as:

How to remove Worm:Win32/Arhost.A?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.