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crt1.exe

JANDER PINTO DA SILVA

The application crt1.exe by JANDER PINTO DA SILVA 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 execute when any user logs into Windows (through the local user run registry setting) with the name ‘JaW’.
Publisher:
JANDER PINTO DA SILVA  (signed and verified)

MD5:
88c5ec0d5865867196138f9f467ca8d5

SHA-1:
de57a5fd2e42cb43371ca226ce45caca193001e9

SHA-256:
7cbee5c8d063312b72959df03531c0cfd16e0a9bb507aae6cacd95a57d93fcb9

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:
5/1/2024 7:40:21 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.9.2.18

File size:
1.3 MB (1,373,480 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\windows\crt1.exe

Digital Signature
Signed by:
JANDER PINTO DA SILVA

Authority:
VeriSign, Inc.

Valid from:
10/12/2014 9:00:00 PM

Valid to:
10/13/2015 8:59:59 PM

Subject:
CN=JANDER PINTO DA SILVA, OU=Individual Developer, O=No Organization Affiliation, L=PALMAS, S=TOCANTINS, C=BR

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
56ED3CE67ED5492A8A92F257CCC586CB

File PE Metadata
Compilation timestamp:
2/20/2015 1:43:27 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:VduA8msX2EYSJunxBmSRunP8H4QCZY90bMpK1pAl0+Kvtv:Tu2UwoSCPCjpKTAlAvtv

Entry address:
0x11D368

Entry point:
55, 8B, EC, 83, C4, F0, B8, D4, 50, 51, 00, E8, 5C, CE, EE, FF, A1, B4, 23, 52, 00, 8B, 00, E8, 98, C7, F8, FF, A1, B4, 23, 52, 00, 8B, 00, 33, D2, E8, C6, E4, F8, FF, 8B, 0D, AC, 25, 52, 00, A1, B4, 23, 52, 00, 8B, 00, 8B, 15, 24, 31, 51, 00, E8, 8A, C7, F8, FF, A1, B4, 23, 52, 00, 8B, 00, E8, CE, C8, F8, FF, E8, B1, 8A, EE, FF, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
1.1 MB (1,162,240 bytes)

Startup File (All Users Run)
Registry location:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
JaW

Command:
"C:\windows\crt1.exe"


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