What is “AutoIt:Kryptik-B [Trj]”?

The AutoIt:Kryptik-B [Trj] 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 AutoIt:Kryptik-B [Trj] virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Creates RWX memory
• A process attempted to delay the analysis task.
• Dynamic (imported) function loading detected
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Transacted Hollowing
• Collects and encrypts information about the computer likely to send to C2 server
• Installs itself for autorun at Windows startup
• Creates a hidden or system file
• CAPE detected the NetWire malware family
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

How to determine AutoIt:Kryptik-B [Trj]?

File Info:
name: 541C00EAB91D8D831A8C.mlw
path: /opt/CAPEv2/storage/binaries/d562c0b3fc05d0063d55ae6c83c26e5a8fa05b906f5002415c892f4be5a49fb7
crc32: 8E05350D
md5: 541c00eab91d8d831a8cfec5e479e2e3
sha1: 41a2fb2b8d604981af116bc8a377974fb168ac83
sha256: d562c0b3fc05d0063d55ae6c83c26e5a8fa05b906f5002415c892f4be5a49fb7
sha512: 7e5b46b8609b7811b41e94dfa62636d66190827476fe36769981fe2359c0fc446e07fb0d4bd3320e85a4267e0e1db2408a0ea9bab9bba7fd3a6cba42f4940031
ssdeep: 24576:+AHnh+eWsN3skA4RV1Hom2KXMmHaz+zsNxan5:ph+ZkldoPK8Yaz58
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T15845BE0273D5C0B2FFABA2B39F29B2465B7D69350133842F23982D79AD711B1523D663
sha3_384: 7701bc8a939699c1c12b8ab03090e6259f45ddd71e83d711292119de23538e649f89132a3a1e66241c4198bedee6e823
ep_bytes: e8c8d00000e97ffeffffcccccccccccc
timestamp: 2019-01-29 18:11:43

Version Info:
Translation: 0x0809 0x04b0

AutoIt:Kryptik-B [Trj] also known as:

How to remove AutoIt:Kryptik-B [Trj]?

• 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.