How to remove “TrojanDownloader:Win32/Karagany.N”?

The TrojanDownloader:Win32/Karagany.N 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 TrojanDownloader:Win32/Karagany.N 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
• Possible date expiration check, exits too soon after checking local time
• Checks adapter addresses which can be used to detect virtual network interfaces
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• HTTPS urls from behavior.
• Network anomalies occured during the analysis.
• Enumerates running processes
• Expresses interest in specific running processes
• CAPE extracted potentially suspicious content
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• The executable is compressed using UPX
• Authenticode signature is invalid
• A ping command was executed with the -n argument possibly to delay analysis
• Uses Windows utilities for basic functionality
• Behavioural detection: Injection (Process Hollowing)
• Executed a process and injected code into it, probably while unpacking
• Code injection with CreateRemoteThread in a remote process
• Deletes its original binary from disk
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• Attempts to modify proxy settings
• Deletes executed files from disk
• Uses suspicious command line tools or Windows utilities

How to determine TrojanDownloader:Win32/Karagany.N?

File Info:
name: 555BA19E3EC90E7A6B3A.mlw
path: /opt/CAPEv2/storage/binaries/21cad3d510cd63d203f2332496fc76cf0d226e52fc04fa20efdb2336bfec7e32
crc32: 81732209
md5: 555ba19e3ec90e7a6b3af29ba7a5b685
sha1: d4bf5717c324c29e0a40053bb62cccd75d5c7c24
sha256: 21cad3d510cd63d203f2332496fc76cf0d226e52fc04fa20efdb2336bfec7e32
sha512: 3f7486da64ae7be4f69bad17a021c239aade5e742da3655a4dead59da939fa78637e2082af9af4191293508407d8cc8e842398d40899eae62a452d1a760c814c
ssdeep: 384:CrPhgmZVqbS2TLSVoRQaIqzVOEusum3bJOVwp8QMpwmPzae1YT:CrpgPslaIqZ5usbJAZPzH
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T107A2E0D7D6F4E683E9D785BF36B4E4800746492307CE4F4A2C4830075FEA9220A96223
sha3_384: 2e18caf0788b6556ce3d9af257b08efcef1a3aeb330fb9de31490f9bc4e83bb7bc643aea11510c10240af06ce5d2527c
ep_bytes: 60be00e040008dbe0030ffff57eb0b90
timestamp: 1992-06-19 22:22:17

Version Info:
0: [No Data]

TrojanDownloader:Win32/Karagany.N also known as:

How to remove TrojanDownloader:Win32/Karagany.N?

• 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.