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pcxs4bios.exe

The application pcxs4bios.exe has been detected as a potentially unwanted program by 6 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from www21.zippyshare.com and multiple other hosts.
MD5:
d97b54c5d8548a6aaa8562ce021075ae

SHA-1:
a14c7ac98ca2a67304349e41ebe640da78d74b8a

SHA-256:
92107e7809e2b22c8c673878c352ce286c783a5ae722c6e5d32fd84ab40efe9b

Scanner detections:
6 / 68

Status:
Potentially unwanted

Analysis date:
11/26/2024 12:48:43 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
2014.9-140726

Baidu Antivirus
Adware.Win32.DownWare
4.0.3.14726

ESET NOD32
Win32/DownWare
8.9949

G Data
Win32.Trojan.Agent.HFG00E
14.7.24

Qihoo 360 Security
HEUR/Malware.QVM06.Gen
1.0.0.1015

Trend Micro House Call
TROJ_GEN.F47V0517
7.2.207

File size:
3.5 MB (3,715,228 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\pcxs4bios.exe

File PE Metadata
Compilation timestamp:
2/24/2012 7:20:04 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
98304:czvATgUXkfmDGjJFZDLHBwvJNjcn5mAv1dSHdhv:czCZXomK/HKD1Avydhv

Entry address:
0x38AF

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 68, A2, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 90, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 90, 40, 00, 55, FF, 15, C0, 92, 40, 00, 6A, 08, A3, 98, EB, 47, 00, E8, 36, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, EA, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 64, A2, 40, 00, FF, 15, 84, 91, 40, 00, 68, 4C, A2, 40, 00, 68, A0, 6A, 47, 00, E8, 18, 27, 00, 00, FF, 15, B0, 90, 40, 00, 50, BF, A0, F0, 4C, 00, 57, E8, 06, 27, 00, 00...
 
[+]

Entropy:
7.9941

Packer / compiler:
Nullsoft install system v2.x

Code size:
29 KB (29,696 bytes)

The file pcxs4bios.exe has been seen being distributed by the following 9 URLs.

http://www21.zippyshare.com/d/90744679/.../PCXS4BIOS.exe

http://www21.zippyshare.com/d/90744679/.../PCXS4BIOS.exe

http://www21.zippyshare.com/d/90744679/.../PCXS4BIOS.exe

http://www21.zippyshare.com/d/90744679/.../PCXS4BIOS.exe

http://www21.zippyshare.com/d/90744679/.../PCXS4BIOS.exe

http://www21.zippyshare.com/d/90744679/.../PCXS4BIOS.exe

http://www21.zippyshare.com/d/90744679/.../PCXS4BIOS.exe

http://www21.zippyshare.com/d/90744679/.../PCXS4BIOS.exe

https://drive.google.com//uc?id=0Byox-Ug3ZsiFVkdYN2o2cWVMZEk

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