pcfasterbr.exe

PCFaster

The application pcfasterbr.exe has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. 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 d1uc4fr8hoy8ts.cloudfront.net.
Publisher:
PCFaster

Product:
PCFaster

Version:
1.0 ??

MD5:
b971818fccd4ac5c08edba837f069988

SHA-1:
cea0f7e2a7d5d3a2a2c03f5dd9fdfbf99da4d1d8

SHA-256:
77ffadefe862eee376209cd7864fc5fcfb9afab63aa8a1f82b68f6cacddebb9f

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/5/2024 3:37:07 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.PCFaster.Optional.Installer.Meta (M)
16.2.29.16

File size:
10.1 MB (10,577,845 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\pcfasterbr.exe

File PE Metadata
Compilation timestamp:
12/5/2009 8:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
196608:LfNNY9fgn/LXXs9CuekPLffNj65FWQpFuQK7aU5EVVTeRd/XID7waGitA3+OHEWW:xV/LXcDTfNj8Lp/Kkdcd/XMnZtA3yWLK

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file pcfasterbr.exe has been seen being distributed by the following URL.

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