Zbot.33 (B) (file analysis)

The Zbot.33 (B) 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 Zbot.33 (B) virus can do?

• Behavioural detection: Executable code extraction – unpacking
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Presents an Authenticode digital signature
• NtSetInformationThread: attempt to hide thread from debugger
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• Dynamic (imported) function loading detected
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• Executable file is packed/obfuscated with Themida
• Authenticode signature is invalid
• Detects Sandboxie through the presence of a library
• Checks for the presence of known windows from debuggers and forensic tools
• Checks the version of Bios, possibly for anti-virtualization
• Detects VirtualBox through the presence of a registry key
• Anomalous binary characteristics

How to determine Zbot.33 (B)?

File Info:
name: 3AFE4D21CBB76D54946B.mlw
path: /opt/CAPEv2/storage/binaries/8ecb9b6e425216f33b0dad4e296680bfab382d7be119b9348eb523e55abd49cc
crc32: BB2BA82B
md5: 3afe4d21cbb76d54946bbf4f4e639b75
sha1: baa5b7ec7e162ff7bc516e519724333ee91a5816
sha256: 8ecb9b6e425216f33b0dad4e296680bfab382d7be119b9348eb523e55abd49cc
sha512: 10e4c217ed31812a2d7b008771296b2d8a9460c553635ca7f765c16e0645dd17f8bc9de01d82065c5b78e05e71a027484e5f12a5f3c57cfd3a6eb7be5a8c6638
ssdeep: 24576:haGMO5mmdU43ufrpb9wJVB6KobsRX/Iv4iDxDqXUMBDxW5ZGTdRWujAJbvYbwEg4:hOOojlf9y0KoABIv4Mqk8GZGTurPPw
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T197953390AA05F269FF92883099F8F6346CFA83124B5D947B991FE7F2182F36C1749125
sha3_384: 4dc6a03d0e7d476f0fecf08aaca5e9319e52e808d37f38126e7b8bfef326670c52347f16befea0e7df6c1b69e27852d8
ep_bytes: eb080f7e1e0000000000e90020000054
timestamp: 2021-11-09 11:13:31

Version Info:
0: [No Data]

Zbot.33 (B) also known as:

How to remove Zbot.33 (B)?

• 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.