About “TrojanDownloader:Win32/Upatre!pz” infection

The TrojanDownloader:Win32/Upatre!pz 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/Upatre!pz virus can do?

• Sample contains Overlay data
• Performs HTTP requests potentially not found in PCAP.
• Reads data out of its own binary image
• Drops a binary and executes it
• 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
• CAPE detected the shellcode get eip malware family
• Attempts to modify proxy settings
• Anomalous binary characteristics
• Yara detections observed in process dumps, payloads or dropped files

How to determine TrojanDownloader:Win32/Upatre!pz?

File Info:
name: B22CB726848B678670B6.mlwpath: /opt/CAPEv2/storage/binaries/5a796496de98ca834244faa4077f4f8e21de813933119bbd1d10e3c5dcb318c8crc32: 5BDE811Emd5: b22cb726848b678670b61a0926ffe0f5sha1: 42b866e2368ca3eb07d40e8f862830b37f6e865fsha256: 5a796496de98ca834244faa4077f4f8e21de813933119bbd1d10e3c5dcb318c8sha512: ff18f6cfb6b1c30dd88ed6d37112f3c125a36ccdbf3d20fff3cb91c79a7b407f4c55950c4f63b94f0a458a7ffaf5fb2b62d7c95e053a76bc3ff6ea7eaca4b917ssdeep: 384:K+Ozz4Pz/uYpzATWZ5YpPaiTzELDr0+BBfBR02Ie+xVjOIImiN3Wdo9HDr8l:K+OoP6bIeabzLfn0TfVjOf1N3WoHDrstype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1EBA3543C6ED51A76E3BBCAB6C5F255C7F925B42239129C0D40DB43840823F67ADE1A1Esha3_384: a890e08b3f793f7e7018e6773c1da854de088db8c5b80b15a3c764d259afd0d13aa9e6fd772612acf16e9ffff2e0068aep_bytes: 558becb83c200000e893030000535657timestamp: 2013-09-11 14:39:41
Version Info:
0: [No Data]

TrojanDownloader:Win32/Upatre!pz also known as:

How to remove TrojanDownloader:Win32/Upatre!pz?

• 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.