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.

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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.mlw
path: /opt/CAPEv2/storage/binaries/a4f0bf2131972879bbb76f65f0b62a94069da3dcb693a93168b569b656e1dddc
crc32: 804EE26F
md5: 4312ca15d3c932b203ad4cc575ec1fc1
sha1: f116c9f941293bba72ef95a0d5018ee02a72d81a
sha256: a4f0bf2131972879bbb76f65f0b62a94069da3dcb693a93168b569b656e1dddc
sha512: b80788b8bd9826610b43327351844861fc79838e55d3f4bc81b94ebb7ea97c14dfe5f63b9729221f4e6fd02129c65662410413d0eddb850ecb04e467c13e12ef
ssdeep: 1536:dxDDnd1RaqOrsdSCM+qvNYF++28kJDriKb:dxDDd/VOrInM+0
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T16AB36138AAE45532D3B7CA7589F651C2BC31B9223E15984F41DA13490D23F92EDB1F2E
sha3_384: bd3d3a467d1c44f1cd517799bb43f4f5cff888e64563a85681043ba7e71491de201e1e42edc6efe63b8a16ff65e11e73
ep_bytes: e8db130000e989feffff8bff558bec8b
timestamp: 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.