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wintaske.exe

Yan Jiang

The application wintaske.exe by Yan Jiang has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This file is typically installed with the program yessearches Uninstall by ELEX which is a potentially unwanted software program. While running, it connects to the Internet address server-54-239-132-213.sfo9.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
Yan Jiang  (signed and verified)

MD5:
4b285d7e3d1bdef212deee502bcd0b64

SHA-1:
32467489764e6ea25ecad91f391dd9ff7a62dbf9

SHA-256:
db8c94fb9c99b1571b812483db14406a9299ff53261a3f30ae400ac9b43a1caa

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
1/2/2025 3:37:26 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX.YanJiang (M)
16.3.15.10

File size:
341 KB (349,232 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\wintaske\wintaske\wintaske.exe

Digital Signature
Signed by:
Yan Jiang

Authority:
thawte, Inc.

Valid from:
3/14/2016 1:00:00 AM

Valid to:
11/26/2016 12:59:59 AM

Subject:
CN=Yan Jiang, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
0D086736E024A587D6959B6C9B0C8655

File PE Metadata
Compilation timestamp:
3/15/2016 2:39:32 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:+r6TomRoMXn6y1A5pm0HN7VFAMZGxSVi9lvrkIZ0zFMg0Qrg4idoA:m6Tom6MKEA5pX5Gkihrkl21Qrg4+oA

Entry address:
0x22D39

Entry point:
E8, 45, 54, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 7F, 0F, B6, 44, 24, 08, 0F, BA, 25, 6C, 31, 45, 00, 01, 73, 0D, 8B, 4C, 24, 0C, 57, 8B, 7C, 24, 08, F3, AA, EB, 5D, 8B, 54, 24, 0C, 81, FA, 80, 00, 00, 00, 7C, 0E, 0F, BA, 25, 00, 13, 45, 00, 01, 0F, 82, 58, 59, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10...
 
[+]

Code size:
249.5 KB (255,488 bytes)

The file wintaske.exe has been discovered within the following program.

yessearches Uninstall  by ELEX
yessearches is a web browser search hijacker that modifies the assets of the user's web browser in order to redirect search results.
yessearches.com
88% remove it
 
Powered by Should I Remove It?

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to server-54-239-132-213.sfo9.r.cloudfront.net  (54.239.132.213:80)

TCP (HTTP):
Connects to server-54-230-95-133.fra2.r.cloudfront.net  (54.230.95.133:80)

TCP (HTTP):
Connects to server-54-230-141-196.sfo5.r.cloudfront.net  (54.230.141.196:80)

TCP (HTTP):
Connects to server-52-85-83-17.lax1.r.cloudfront.net  (52.85.83.17:80)

TCP (HTTP):
Connects to server-52-85-173-217.fra6.r.cloudfront.net  (52.85.173.217:80)

TCP (HTTP):
Connects to server-52-85-173-214.fra6.r.cloudfront.net  (52.85.173.214:80)

TCP (HTTP):
Connects to server-52-85-173-124.fra6.r.cloudfront.net  (52.85.173.124:80)

TCP (HTTP):
Connects to server-52-84-230-131.sfo9.r.cloudfront.net  (52.84.230.131:80)

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