About “UDS:Trojan.Win32.Nymaim” infection

The UDS:Trojan.Win32.Nymaim 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 UDS:Trojan.Win32.Nymaim virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• A process attempted to delay the analysis task.
• 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
• Drops a binary and executes it
• Unconventionial language used in binary resources: Uzbek (Latin)
• The binary contains an unknown PE section name indicative of packing
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Uses Windows utilities for basic functionality
• Created a process from a suspicious location
• Behavior consistent with a dropper attempting to download the next stage.
• 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
• Creates a copy of itself
• Anomalous binary characteristics
• Uses suspicious command line tools or Windows utilities

How to determine UDS:Trojan.Win32.Nymaim?

File Info:
name: B38A7FB9FAB6AA4E5299.mlwpath: /opt/CAPEv2/storage/binaries/7a53403a0d58e56b90262d58ead86e75d2f11afbe6da0ba497a58f3a7f0fbacccrc32: 0317B472md5: b38a7fb9fab6aa4e52998c8d83d15a4csha1: f47ae6aed0ddf15070298dfe163225d4ad339533sha256: 7a53403a0d58e56b90262d58ead86e75d2f11afbe6da0ba497a58f3a7f0fbaccsha512: c9811da67b0987075d57d6068e89d5648893e84e9ed4ee0bc801df2c2d62f0fac9ac3407f68f6e1344299f391702bebbdf17ce9b04b7aaa7efd0b506ecca367dssdeep: 6144:5fNS5ziMG+v1P0xrOOOGIDAp0TnLsKqZMq4xVnYAb6Fw7:9NSxr9P0xaOOM07lTaAb/type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1DAD4AF007790D035F1BB16F94A7B9378B93A7DA1AB2442CB62F42AEE56346D0DC3135Bsha3_384: 9c36e37ad8c4527bf1c8f0a53b6d49448b1d11e7dfc17d2b020337241fbf2c01c791980b49d92d853766f0a000fa7509ep_bytes: 8bff558bece896c40000e8110000005dtimestamp: 2021-01-03 05:51:22
Version Info:
0: [No Data]

UDS:Trojan.Win32.Nymaim also known as:

How to remove UDS:Trojan.Win32.Nymaim?

• 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.