TrojanDropper:Win32/Microjoin!B removal

The TrojanDropper:Win32/Microjoin!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.

What TrojanDropper:Win32/Microjoin!B 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
• Dynamic (imported) function loading detected
• Reads data out of its own binary image
• A process created a hidden window
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• Unconventionial language used in binary resources: Russian
• 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
• Uses Windows utilities for basic functionality
• Sniffs keystrokes
• Created a process from a suspicious location
• Installs itself for autorun at Windows startup
• Uses suspicious command line tools or Windows utilities

How to determine TrojanDropper:Win32/Microjoin!B?

File Info:
name: 7C9CF95BAE056987BD00.mlwpath: /opt/CAPEv2/storage/binaries/46f47c4f10b886115c30901cba5abd5c23b18ffebaa26a63b17e82a6bddb058ccrc32: 2BD0ECE4md5: 7c9cf95bae056987bd0095ec4da26d61sha1: 51e3558ba9a5f473c47fd7ade283e03394071889sha256: 46f47c4f10b886115c30901cba5abd5c23b18ffebaa26a63b17e82a6bddb058csha512: b3ecc9cbf25dbe4ee0381c166ffe2b3157f1173f6cd7e8999633699052ef667431aed81c2fa5a739a26044ec4867b220cee0f8cb2d160a6bda00ca0a24cbf17fssdeep: 3072:eWUUyBnGYB9YTkd8oD9ViXNI6BqAa0KQt7JtAJdhBbdJe9WoG4i/7Il2Yv:GU8nG49hd8SzKNI7Aa0KQjodJVoKMl2Ytype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12C04121B1720C73BC3B9107650D6BFD049AC2416AF5ADBAC6B956F3E2E51338C98FA11sha3_384: 1e47d3e4c99c6a83bac5e9654a7f547d1a080333a078848377927c7f9b90455685bccff92e68ca0fc51b1dccce157916ep_bytes: 60be006041008dbe00b0feff57eb0b90timestamp: 2006-10-09 23:59:00
Version Info:
0: [No Data]

TrojanDropper:Win32/Microjoin!B also known as:

How to remove TrojanDropper:Win32/Microjoin!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.