About “Trojan.Downloader.JQAP (B)” infection

The Trojan.Downloader.JQAP (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 Trojan.Downloader.JQAP (B) virus can do?

• SetUnhandledExceptionFilter detected (possible anti-debug)
• Behavioural detection: Executable code extraction – unpacking
• 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
• Performs HTTP requests potentially not found in PCAP.
• 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
• Executable file is packed/obfuscated with MPRESS
• Authenticode signature is invalid
• Attempts to repeatedly call a single API many times in order to delay analysis time
• Created a process from a suspicious location
• Attempts to modify proxy settings

How to determine Trojan.Downloader.JQAP (B)?

File Info:
name: 4312CA15D3C932B203AD.mlwpath: /opt/CAPEv2/storage/binaries/a4f0bf2131972879bbb76f65f0b62a94069da3dcb693a93168b569b656e1dddccrc32: 804EE26Fmd5: 4312ca15d3c932b203ad4cc575ec1fc1sha1: f116c9f941293bba72ef95a0d5018ee02a72d81asha256: a4f0bf2131972879bbb76f65f0b62a94069da3dcb693a93168b569b656e1dddcsha512: b80788b8bd9826610b43327351844861fc79838e55d3f4bc81b94ebb7ea97c14dfe5f63b9729221f4e6fd02129c65662410413d0eddb850ecb04e467c13e12efssdeep: 1536:dxDDnd1RaqOrsdSCM+qvNYF++28kJDriKb:dxDDd/VOrInM+0type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T16AB36138AAE45532D3B7CA7589F651C2BC31B9223E15984F41DA13490D23F92EDB1F2Esha3_384: bd3d3a467d1c44f1cd517799bb43f4f5cff888e64563a85681043ba7e71491de201e1e42edc6efe63b8a16ff65e11e73ep_bytes: e8db130000e989feffff8bff558bec8btimestamp: 2013-08-27 16:13:37
Version Info:
0: [No Data]

Trojan.Downloader.JQAP (B) also known as:

How to remove Trojan.Downloader.JQAP (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.