What is “TrojanDownloader:Win32/Contaskitar!rfn”?

The TrojanDownloader:Win32/Contaskitar!rfn 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 TrojanDownloader:Win32/Contaskitar!rfn virus can do?

• Sample contains Overlay data
• Performs HTTP requests potentially not found in PCAP.
• Unconventionial binary language: Portuguese (Brazil)
• Unconventionial language used in binary resources: Chinese (Simplified)
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• Authenticode signature is invalid
• Attempts to modify proxy settings
• Touches a file containing cookies, possibly for information gathering
• Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine TrojanDownloader:Win32/Contaskitar!rfn?

File Info:
name: 55D0AD86D14FC43D9BFC.mlwpath: /opt/CAPEv2/storage/binaries/42391b8666d5b281b8d2398abbd1352821956843fb6c5d2905fd55c76b374528crc32: 8A7FAED6md5: 55d0ad86d14fc43d9bfcacd1c0fca5d8sha1: af4cfb337032985fd30a67fedd4de0cc7da87c63sha256: 42391b8666d5b281b8d2398abbd1352821956843fb6c5d2905fd55c76b374528sha512: 8f7f4e3844479db9321640abd4846ba3dc088d8cc781229b2ddb63f600fecdf39cf6ad7ce096f3f6a7ac9aee40e9daab071bd5b69b4ea0152fdb6b451a5c06adssdeep: 24576:wlw9dyvXtGK0rRQodA4xO6VM0adPrkFaGu:SMSmAqO4M0aB1type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1EE558D26E212C436D5A7A8308C1745B89431FF526D7AA97E37F87E2DCF327C36825252sha3_384: dafa8c57a9f0bf9871b4ee7964272ce6007145509e37ba29bd10028a3f76e36fe159c253fba27313f721f9e3016cff44ep_bytes: 558bec83c4f053b8609c4a00e8b3c6f5timestamp: 1992-06-19 22:22:17
Version Info:
CompanyName: Arquivo SolicitadoFileDescription: Arquivo SolicitadoFileVersion: 1.0.0.0InternalName: LegalCopyright: LegalTrademarks: OriginalFilename: ProductName: Arquivo SolicitadoProductVersion: 1.0.0.0Comments: Translation: 0x0416 0x04e4

TrojanDownloader:Win32/Contaskitar!rfn also known as:

How to remove TrojanDownloader:Win32/Contaskitar!rfn?

• 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.