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pj28airk4.exe

Supersoft

The application pj28airk4.exe by Supersoft has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘microsptr’. It is also typically executed from the user's temporary directory.
Publisher:
Supersoft  (signed and verified)

Version:
1.0.0.0

MD5:
731e447aa9d6201331fd3b85c48e8db3

SHA-1:
cf820b10496f927d2b528215a72f8958158a7874

SHA-256:
bc659c64424b918485b37bd06347449e98ac8a74363535f3ac98eb024c48197a

Scanner detections:
1 / 68

Status:
Adware

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:
11/27/2024 7:42:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Supersof (M)
16.5.20.6

File size:
1.1 MB (1,114,856 bytes)

Product version:
1.0.0.0

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\pj28airk4.exe

Digital Signature
Signed by:
Supersoft

Authority:
Supersoft

Valid from:
9/30/2012 3:26:38 PM

Valid to:
1/1/2040 6:59:59 AM

Subject:
CN=Supersoft

Issuer:
CN=Supersoft

Serial number:
6B50254A40C7CFB14A405056B8F04272

File PE Metadata
Compilation timestamp:
4/14/2014 7:27:29 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:MUGsZSwhcR09Dz79A0Y7nB4BdQq7p2adWEls0OyVLh:bGsdcR0zA0Yj8tdWE7OyD

Entry address:
0x100C

Entry point:
33, C0, C3, 55, 8B, EC, 83, EC, 14, 53, 57, 8B, 7D, 0C, 33, DB, 85, FF, 0F, 84, D6, 00, 00, 00, 8B, 45, 10, 56, 8B, 75, 08, 03, C6, 8B, D7, 89, 45, EC, 89, 55, F0, 3B, F0, 0F, 83, BA, 00, 00, 00, 89, 5D, F4, 8B, D3, 3B, F0, 73, 4B, 8A, CB, 84, C9, 75, 36, 8A, 0E, 46, 8D, 41, D5, 3C, 4F, 77, 0B, 0F, BE, C1, 8A, 88, D5, 1F, 40, 00, EB, 02, 8A, CB, 84, C9, 74, 10, 8D, 41, C3, 0F, B6, C0, 33, FF, 80, F9, 24, 0F, 44, C7, 8A, C8, 8B, 45, EC, 3B, F0, 72, CA, 84, C9, 74, 09, FF, 45, F4, FE, C9, 88, 4C, 15, F8, 42...
 
[+]

Entropy:
6.0492

Code size:
2.5 KB (2,560 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
microsptr

Command:
C:\users\{user}\appdata\local\temp\99d8iar32.exe


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