Trojan:Win32/Waledac!A removal guide

The Trojan:Win32/Waledac!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.

What Trojan:Win32/Waledac!A virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• HTTPS urls from behavior.
• Enumerates running processes
• Manipulates data from or to the Recycle Bin
• CAPE extracted potentially suspicious content
• Unconventionial language used in binary resources: Russian
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Installs itself for autorun at Windows startup
• Attempts to modify proxy settings
• Installs WinPCAP

How to determine Trojan:Win32/Waledac!A?

File Info:
name: C9504F753CC0C9C61F08.mlwpath: /opt/CAPEv2/storage/binaries/ffd46d6b2472b197ee754c0c462e10215b3be1507804f411e73753075ef7325ccrc32: 84AC48EBmd5: cca3525166195ecd7dbc8c99d415f30bsha1: 304b1ecc78576be23ddcd342c22c68988a3bd40bsha256: ffd46d6b2472b197ee754c0c462e10215b3be1507804f411e73753075ef7325csha512: e3f956effad3f8e7642078202f3926e2e8b3e9da0ab03c620071ba88f816ea18728113f42bb2b6c45b3f5682fc054dc276fb45bacaaabf631b3d604f3078b850ssdeep: 12288:ikbr3D7I8EqOLWIZ9lDYfzBh6w4bnaHAxmG:ikX3ULdHdazvubnztype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T19C9423815F88AFDCD698E1B6BC1861634BE376D7C9B106850006A81FC4522F7FAA77F4sha3_384: b165fa5f79a9db030a15711d47f770d599d580053360930f3b70b304ccd11037c3fa009d8e18af85e4cd69e5c03673adep_bytes: 558bec4333df4f33d103f74203dee9c4timestamp: 2007-02-20 18:46:41
Version Info:
CompanyName: SkMU6vXsKGQ2UFhtgFileDescription: H3FeT6KPH3KDXNFileVersion: DXUgmvLbwftvDDPInternalName: 6qy7tbBMmfqIGLegalCopyright: AvdxnQRUiACPVtOriginalFilename: bUFX2Gun34K8ProductName: n5KOCym6GK7w2umFProductVersion: CjJwErSc4KI2xeTranslation: 0x0800 0x04b0

Trojan:Win32/Waledac!A also known as:

How to remove Trojan:Win32/Waledac!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.