Trojan-Downloader.Win32.Deyma.cno removal guide

The Trojan-Downloader.Win32.Deyma.cno 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-Downloader.Win32.Deyma.cno virus can do?

• Behavioural detection: Executable code extraction – unpacking
• SetUnhandledExceptionFilter detected (possible anti-debug)
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Presents an Authenticode digital signature
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• Dynamic (imported) function loading detected
• Performs HTTP requests potentially not found in PCAP.
• HTTPS urls from behavior.
• Reads data out of its own binary image
• 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)
• A process attempted to delay the analysis task by a long amount of time.
• Created a process from a suspicious location
• Installs itself for autorun at Windows startup
• Installs itself for autorun at Windows startup
• A process sent information about the computer to a remote location.
• Attempts to identify installed AV products by installation directory
• Attempts to modify proxy settings
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

How to determine Trojan-Downloader.Win32.Deyma.cno?

File Info:
name: 9C1EE023CAFA2844DED0.mlwpath: /opt/CAPEv2/storage/binaries/0dd17a63142f77b4445fd016eaa54d1370e888ca08e8288181949e4599645a16crc32: 94A0E907md5: 9c1ee023cafa2844ded08b7fa5017e01sha1: 1dbb1493c9c1b1d3162020d9bfed21a50682ed18sha256: 0dd17a63142f77b4445fd016eaa54d1370e888ca08e8288181949e4599645a16sha512: 03cda8d133636ad3db4756af6e775e8b3e8363fc21efaccfadd5851279e1265196d80faf33e3c6a526cac8d267b12343b6efad1fe2c96b5ca1cae651583e68c2ssdeep: 24576:B4pP1aOuKZTNKsCeoywxjbXDX+LjzxFFFz5:681PyC7Q35type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T149D58A1D74DC10C6C86E40B1A2AAC7F6E6EDF5704F443CBE16A469E9C23A09F95F2439sha3_384: ec498fc2ddb7e0794abd5b506fb90aee35adf5e1160e7a94de9d5b5ed103fe0975bfec40c770dc6755d4d8d41bfeccbdep_bytes: 558bec6aff68f811400068f488470064timestamp: 2022-01-28 14:58:46
Version Info:
0: [No Data]

Trojan-Downloader.Win32.Deyma.cno also known as:

How to remove Trojan-Downloader.Win32.Deyma.cno?

• 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.