Trojan.Downloader.JRZZ (B) removal instruction

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

• 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
• Anomalous file deletion behavior detected (10+)
• Dynamic (imported) function loading detected
• 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 binary language: Russian
• Unconventionial language used in binary resources: Russian
• Authenticode signature is invalid
• Created a process from a suspicious location
• Mimics icon used for popular non-executable file format

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

File Info:
name: FBFD5F39E7492D7770CF.mlw
path: /opt/CAPEv2/storage/binaries/b6b1460228558f28cbbaa223a798e8f0f20ba1203ae2353b0a830eeed1ee173b
crc32: 079C78A0
md5: fbfd5f39e7492d7770cfd02a1f888650
sha1: cac7433cc2a314577a24fb634e2dc27287fad6d6
sha256: b6b1460228558f28cbbaa223a798e8f0f20ba1203ae2353b0a830eeed1ee173b
sha512: 391b04d333ab045740e4596b05f8608b1943af4a63ffa9c9f5a9c9df596e70c25f8a4bbc0fa25039539882afe05d37e55f754939fcdd6e7affdc253ecd50a189
ssdeep: 768:dD2BxbvDdE6+bIpS4jTjZJwyOFciB9l3jifVMhJobJNiXjPGGIIwQqQNR69o3sh:dD2BobiS4jHHNOedAobJNErGGwL9og
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T167D38E326DE0C5B6F2B749B418F15E8E677BF92A5A06194F82D005872D33AE39C3161B
sha3_384: 66a920b978a84e881c63c1956e9934ae34b93661143d3f6b7d62990b4f8bd8dafc4d6d0f857517f14aa25099bc00772d
ep_bytes: 558bec6aff68f8b5400068ac37400064
timestamp: 2015-07-22 08:27:16

Version Info:
BuildVersion: 7, 15, 22, 129
Translation: 0x0419 0x04b0

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

How to remove Trojan.Downloader.JRZZ (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.