pyffi-2.1.10.2c30444.win32.exe

The executable pyffi-2.1.10.2c30444.win32.exe has been detected as malware by 2 anti-virus scanners. The program is a setup application that uses the Nullsoft 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 optimate.dl.sourceforge.net and multiple other hosts.
MD5:
4786d219710bb6683d40d1e94876dcc5

SHA-1:
f697c50b5f1a4196dd15f051d46df60b49f26cf9

SHA-256:
51b08a38da70022c9ebc160a19f445bff8cbcaa3e0d46ba432a5296224ed457e

Scanner detections:
2 / 68

Status:
Malware

Explanation:
This is part of the Crossrider Internet browser extension framework which may modify the user's web browser settings including changing the home and search pages.

Note:
Crossrider is the owner of a platform that enables the creation of cross-browser extensions by developers but is not the owner of this detected application.

Analysis date:
6/23/2018 10:17:01 PM UTC  (today)

Scan engine
Detection
Engine version

Bkav FE
HW32.CDB
1.3.0.4959

Reason Heuristics
Threat.Win.Reputation.IMP
16.11.29.22

File size:
2.7 MB (2,836,911 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Common path:
C:\users\{user}\downloads\pyffi-2.1.10.2c30444.win32.exe

File PE Metadata
Compilation timestamp:
9/8/2011 5:21:26 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.21

CTPH (ssdeep):
49152:GJfI3DBfITEveA2llcqojvaue2LbEs/91w2VV6w6Ni8kGNw6aVQZ0eFzYiWk:8U9fIyevllcLjvrFLbE+9WwQwr8vwJQn

Entry address:
0x42D0

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, E8, 2B, 53, 00, 00, C7, 04, 24, 01, 80, 00, 00, E8, D7, 4F, 00, 00, 56, C7, 04, 24, 00, 00, 00, 00, E8, 3A, 53, 00, 00, 53, A3, 40, 5B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 0B, 3B, 00, 00, A3, 9C, 5B, 42, 00, 8D, 85, 84, FE, FF, FF, 51, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, E8, 64, 52, 00, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7, 04, 24, A8, 5B...
 
[+]

Entropy:
7.9792  (probably packed)

Code size:
34 KB (34,816 bytes)

The file pyffi-2.1.10.2c30444.win32.exe has been seen being distributed by the following 7 URLs.

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