Trojan.PWS.YVM (file analysis)

The Trojan.PWS.YVM 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.PWS.YVM virus can do?

• Behavioural detection: Executable code extraction – unpacking
• Yara rule detections observed from a process memory dump/dropped files/CAPE
• Presents an Authenticode digital signature
• Creates RWX memory
• Possible date expiration check, exits too soon after checking local time
• Anomalous file deletion behavior detected (10+)
• Dynamic (imported) function loading detected
• At least one IP Address, Domain, or File Name was found in a crypto call
• Starts servers listening on 0.0.0.0:29254, :0
• Enumerates running processes
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Drops a binary and executes it
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Uses Windows utilities for basic functionality
• Code injection with CreateRemoteThread in a remote process
• Behavioural detection: Injection (inter-process)
• Behavioural detection: Injection with CreateRemoteThread in a remote process
• Tries to unhook or modify Windows functions monitored by Cuckoo
• Steals private information from local Internet browsers
• Collects and encrypts information about the computer likely to send to C2 server
• Installs itself for autorun at Windows startup
• Exhibits behavior characteristics of BlackRemote/BlackRAT RAT
• Creates a hidden or system file
• Attempts to modify browser security settings
• Collects information to fingerprint the system
• Anomalous binary characteristics
• Clears web history

How to determine Trojan.PWS.YVM?

File Info:
name: CE6622FB61BA5573706D.mlwpath: /opt/CAPEv2/storage/binaries/126f591353ad7e1a4b4d06661f7de7d3f4fa5aa5d238d55e3ce041e734080ce4crc32: 3B0A1201md5: ce6622fb61ba5573706df029622b8164sha1: 099ba188a2f293232c2ee68837a93f4ad78484fesha256: 126f591353ad7e1a4b4d06661f7de7d3f4fa5aa5d238d55e3ce041e734080ce4sha512: dd534d764b0ff28df0791b026dca51bc6e0f1ee70c6e681134240d32c65f305b68267550766130da1a85e80f1574098d40fbff50ca8c2950985651d9ae07c293ssdeep: 6144:80+N1vgAwzqEybL8eXiqLnFHxua12BM6SZMIEPlil/M5:PSCAXJ8exLuo6MCPlil/M5type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T16B54F182BA1D8F87C5B412B0009AA30200ADBADEBC5BD16A5E5CA34DF47D4D185FF76Dsha3_384: 2e5e0233c01f58e5eb000553bdce0b25c01e99caa836f814fb712ad833f2d8fc08b21dd9becaff89475dc1c1a7e18c87ep_bytes: 558bec81eccc02000060892d647f4400timestamp: 2012-04-11 03:20:21
Version Info:
CompanyName: Microsoft CorporationFileDescription: Windows Disk Diagnostic User ResolverFileVersion: 6.1.7600.16385 (win7_rtm.090713-1255)InternalName: DFDWiz.exeLegalCopyright: © Microsoft Corporation. All rights reserved.OriginalFilename: DFDWiz.exeProductName: Microsoft® Windows® Operating SystemProductVersion: 6.1.7600.16385Translation: 0x0409 0x04b0

Trojan.PWS.YVM also known as:

How to remove Trojan.PWS.YVM?

• 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.