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dfstd.exe

MICROMAX STUDIO, S.L.

The application dfstd.exe by MICROMAX STUDIO, S.L 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 Nullsoft Install System installer. The file has been seen being downloaded from xofttmore.com.
Publisher:
MICROMAX STUDIO, S.L.  (signed and verified)

MD5:
433a66e014880dfab9a0224f04dac57c

SHA-1:
c73959d4d8e0dab1dc9e2f1a4c1bb410beb4296e

SHA-256:
d73f3ec307dcca67f6c529fff3f4e1566d2e35009c685a853be7ff7396fc99bf

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/22/2025 5:51:08 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.MICROMAX (M)
16.4.9.2

File size:
428.7 KB (439,016 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

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

Digital Signature
Signed by:
MICROMAX STUDIO, S.L.

Authority:
GoDaddy.com, Inc.

Valid from:
9/1/2015 11:11:38 AM

Valid to:
9/1/2016 11:11:38 AM

Subject:
CN="MICROMAX STUDIO, S.L.", O="MICROMAX STUDIO, S.L.", L=Madrid, C=ES

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
79A6DBFB5606456E

File PE Metadata
Compilation timestamp:
1/5/2012 8:20:39 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
6144:nqvL4Algoq+fA7Puhvp5yoxLuXVbOUDCnP5AC1zDH21Ld+6yOq:n+Lx2VHDSpGA6Tq

Entry address:
0x4105

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 83, 7A, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 84, 7A, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 84, 7A, 00, 56, A3, 6C, 63, 7A, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8B, 3B, 00, 00, A3, C8, 63, 7A, 00, 8D, 85, 84, FE, FF, FF, 57, 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, A9, B2, 40, 00, FF, 15, AC, 84, 7A, 00, 83, EC, 14, C7, 44, 24, 04, AA, B2, 40, 00, C7...
 
[+]

Entropy:
6.9420

Code size:
32.5 KB (33,280 bytes)

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

http://xofttmore.com/.../DFStd.exe&name=Deep Freeze&ids=1&ref=xvsoftw.com&idv=&idt=inst_467242300529c5feab0565&idtaux= &id=es_23&no_cache=1

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