nfscalendar03.exe

Calendar 03 New Free Screensaver

Gekkon Ltd

The application nfscalendar03.exe, “Calendar 03 New Free Screensaver Setup ” by Gekkon 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 Inno Setup installer. The file has been seen being downloaded from newfreescreensavers.com.
Publisher:
Gekkon Ltd  (signed and verified)

Product:
Calendar 03 New Free Screensaver

Description:
Calendar 03 New Free Screensaver Setup

MD5:
80b7d75a38eeef17fc1ef450f3f21787

SHA-1:
95509e278ec12db1a1b119a3b98ade5c15296fe6

SHA-256:
a1fc7acf787b3f7999f639afcf25c330cd7830fb0540586e565184fb5a87d18b

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
11/23/2024 6:43:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Gekkon.Installer (M)
16.3.10.0

File size:
1.1 MB (1,151,656 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\nfscalendar03.exe

Digital Signature
Signed by:

Authority:
GlobalSign nv-sa

Valid from:
8/9/2010 5:35:50 AM

Valid to:
8/9/2013 5:35:46 AM

Subject:
E=is@newfreescreensavers.com, CN=Gekkon Ltd, O=Gekkon Ltd, L=Mahe, S=Seychelles, C=SC

Issuer:
CN=GlobalSign ObjectSign CA, OU=ObjectSign CA, O=GlobalSign nv-sa, C=BE

Serial number:
0100000000012A56A1781E

File PE Metadata
Compilation timestamp:
2/9/2011 6:43:39 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:VMjh967RXTZwubESPL628jCchHZ3YWrNyJ9/wRFQbxjivhJ8F84Cr:MoZw26tjhaWr4n/wR2Zcr

Entry address:
0x16478

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, B0, 52, 41, 00, E8, AC, 03, FF, FF, 33, C0, 55, 68, 45, 6B, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 01, 6B, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, AB, 41, 00, E8, 4E, EC, FF, FF, E8, F5, E7, FF, FF, 8D, 55, EC, 33, C0, E8, 7F, 84, FF, FF, 8B, 55, EC, B8, AC, D6, 41, 00, E8, E2, E9, FE, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, AC, D6, 41, 00, B2, 01...
 
[+]

Entropy:
7.9171

Developed / compiled with:
Microsoft Visual C++

Code size:
84 KB (86,016 bytes)

The file nfscalendar03.exe has been seen being distributed by the following URL.

Remove nfscalendar03.exe - Powered by Reason Core Security